id large_stringlengths 16 92 | source_platform large_stringclasses 3
values | contest large_stringclasses 418
values | issue_id large_stringlengths 0 25 | severity large_stringclasses 2
values | title large_stringlengths 3 307 | description large_stringlengths 0 495k | source_url large_stringlengths 0 86 | domain large_stringclasses 1
value | scraped_at large_stringdate 2026-05-08 04:37:49 2026-05-08 04:37:49 |
|---|---|---|---|---|---|---|---|---|---|
code4rena:2022-12-escher-findings:502 | code4rena | 2022-12-escher-findings | #502 | Medium | LPDA.sol and FixedPrice.sol will lock the funds forever | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDAFactory.sol#L29-L42
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/FixedPriceFactory.sol#L29-L38
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/OpenEditionFactory.sol#L29-L38
# Vulnerability... | https://github.com/code-423n4/2022-12-escher-findings/issues/502 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:499 | code4rena | 2022-12-escher-findings | #499 | Medium | `call()` should be used instead of `transfer()` on an address payable | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L85-L86
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/FixedPrice.sol#L109
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/OpenEdition.sol#L92
# Vulnerability details
## Impact
`call()`... | https://github.com/code-423n4/2022-12-escher-findings/issues/499 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:495 | code4rena | 2022-12-escher-findings | #495 | Medium | The LPDA will keep minting NFTs after the `endTime` | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L58-L89
# Vulnerability details
## Impact
The users would keep minting from **LPDA** even if the end time was reached
## Proof of Concept
Please copy the following test on **LPDA.t.sol**
```solidity
import {IEscher721} fro... | https://github.com/code-423n4/2022-12-escher-findings/issues/495 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:488 | code4rena | 2022-12-escher-findings | #488 | Medium | finalise() lacks authenticate calls to this method as anyone can access it. | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/OpenEdition.sol#L87-L95
# Vulnerability details
## Impact
Unprotected call to a function sending Ether to an arbitrary address. This can be exploited by attackers .
## Proof of Concept
function fin... | https://github.com/code-423n4/2022-12-escher-findings/issues/488 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:483 | code4rena | 2022-12-escher-findings | #483 | Medium | Possible negative price on LPDA causes sale and refund mechanism to not working | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDA.sol#L117-L125
# Vulnerability details
## Impact
Possible negative price on LPDA causes sale and refund mechanism to not working
## Proof of Concept
```solidity
function getPrice() public ... | https://github.com/code-423n4/2022-12-escher-findings/issues/483 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:481 | code4rena | 2022-12-escher-findings | #481 | Medium | Denial of Service at the LPDA.sol contract due to not be capable of minting an id already minted. | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L81
# Vulnerability details
## Impact
The ether earned by the creator and the fees for the platform can get frozen.
## Proof of Concept
The only way the creator can get out the ether earned by the sale (and also the platf... | https://github.com/code-423n4/2022-12-escher-findings/issues/481 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:477 | code4rena | 2022-12-escher-findings | #477 | Medium | Users will get a low amount of NFT if they try to buy a lot of them | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDA.sol#L58-L89
# Vulnerability details
## Impact
If user calls buy(amount) with a value larger than uint48 it will overflow during casting (identical to `amount = _amount % type(uint48).max`) an... | https://github.com/code-423n4/2022-12-escher-findings/issues/477 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:474 | code4rena | 2022-12-escher-findings | #474 | Medium | NFTs mintable after Auction deadline expires | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDA.sol#L58-L89
# Vulnerability details
## Impact
The `buy` function on the `LPDA.sol` contract is not validating if the auction is still running, allowing a purchase to be made after the stipula... | https://github.com/code-423n4/2022-12-escher-findings/issues/474 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:471 | code4rena | 2022-12-escher-findings | #471 | Medium | There isn't an end time on FixedPrice and LPDA sales, and the sale can't be canceled after the sale start. | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPrice.sol#L50-L53
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPrice.sol#L14-L24
https://github.com/code-423n4/2022-12-escher/blob/5... | https://github.com/code-423n4/2022-12-escher-findings/issues/471 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:467 | code4rena | 2022-12-escher-findings | #467 | Medium | LPDA sale is not stopped after `endTime` | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDA.sol#L58
# Vulnerability details
## Impact
In `LPDA` sale, there is a `startTime` and a `endTime` parameter in `Sale` struct. Although `startTime` is used to check every time users buy or owner... | https://github.com/code-423n4/2022-12-escher-findings/issues/467 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:466 | code4rena | 2022-12-escher-findings | #466 | Medium | Any NFT mimicing the Escher721 pattern can be sold in the minters | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPriceFactory.sol#L29-L38
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDAFactory.sol#L29-L42
https://github.com/code-423n4/2022-12-esche... | https://github.com/code-423n4/2022-12-escher-findings/issues/466 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:465 | code4rena | 2022-12-escher-findings | #465 | Medium | Possible overflow when casting `msg.value` to `uint80` might make users losing funds. | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDA.sol#L71
# Vulnerability details
## Impact
In function `LPDA.buy()`, it casted `msg.value` that users sent to `uint80` before updating receipt.
```solidity
receipts[msg.sender].amount += amou... | https://github.com/code-423n4/2022-12-escher-findings/issues/465 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:464 | code4rena | 2022-12-escher-findings | #464 | Medium | Unsafe casting from uint256 to uint48 could make users losing funds. | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPrice.sol#L62
# Vulnerability details
## Impact
In function `FixedPrice.buy()`, it used unsafe casting to cast the amount from `uint256` to `uint48`. However, unlike Open Edition where this u... | https://github.com/code-423n4/2022-12-escher-findings/issues/464 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:461 | code4rena | 2022-12-escher-findings | #461 | Medium | selfdestruct will be banned after "The Purge" phase of ethereum merge (EIP-4758). FixedPrice and OpenEdition sale can't be ended after EIP-3758. | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPrice.sol#L110
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPrice.sol#L50-L53
https://github.com/code-423n4/2022-12-escher/blob/5d8b... | https://github.com/code-423n4/2022-12-escher-findings/issues/461 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:456 | code4rena | 2022-12-escher-findings | #456 | Medium | reentrancy in ``FixedPrice::buy`` can increase number of minted NFT token | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPriceFactory.sol#L35
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPrice.sol#L78-L82
https://github.com/code-423n4/2022-12-escher/blo... | https://github.com/code-423n4/2022-12-escher-findings/issues/456 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:454 | code4rena | 2022-12-escher-findings | #454 | Medium | Owners can't get their ETHs while all NFTs aren't bought | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L87
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/FixedPrice.sol#L73
# Vulnerability details
## Impact
src\minters\FixedPrice.sol:
_end() function is the only way to get ETHs and it is called by:
- canc... | https://github.com/code-423n4/2022-12-escher-findings/issues/454 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:452 | code4rena | 2022-12-escher-findings | #452 | Medium | ETH in FixedPrice contract will be locked if seller sets too larger finalId than currentId accidentally | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPrice.sol#L57
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPriceFactory.sol#L29
# Vulnerability details
## Impact
ETH in FixedPri... | https://github.com/code-423n4/2022-12-escher-findings/issues/452 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:450 | code4rena | 2022-12-escher-findings | #450 | Medium | ETH in LPDA contract will be locked if seller sets too larger finalId than currentId accidentally | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDA.sol#L58
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDAFactory.sol#L29
# Vulnerability details
## Impact
ETH in LPDA contract may be... | https://github.com/code-423n4/2022-12-escher-findings/issues/450 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:445 | code4rena | 2022-12-escher-findings | #445 | Medium | saleReceiver and protocol never get access to funds received in the LPDA sale if it doesnt sell out | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDA.sol#L58-L89
# Vulnerability details
## Impact
If creator decides to make an LPDA auction and sets too large available amount, it can happen that temp.finalId never get reached. There is a func... | https://github.com/code-423n4/2022-12-escher-findings/issues/445 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:443 | code4rena | 2022-12-escher-findings | #443 | Medium | seller must sell all NFTs to get paid in `FixedPrice` and `LPDA` | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/FixedPrice.sol#L73
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L81
# Vulnerability details
You could imagine a scenario where there's a lot of hype then it quickly dies off, the seller is stuck with ha... | https://github.com/code-423n4/2022-12-escher-findings/issues/443 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:439 | code4rena | 2022-12-escher-findings | #439 | Medium | Creator could use malicious ERC721 when creating sales | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPriceFactory.sol#L29-L30
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/OpenEditionFactory.sol#L29-L30
https://github.com/code-423n4/2022-1... | https://github.com/code-423n4/2022-12-escher-findings/issues/439 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:434 | code4rena | 2022-12-escher-findings | #434 | Medium | Improved Security and Protection for Fixed Price Sales with OpenEdition Contract | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/OpenEdition.sol#L65
# Vulnerability details
# Vulnerability details
## Impact
The new added require and checks to the contract ensure that the buyer is not purchasing more editions than are curren... | https://github.com/code-423n4/2022-12-escher-findings/issues/434 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:430 | code4rena | 2022-12-escher-findings | #430 | Medium | Enhanced Security and Accuracy for Fixed Price Sale Contract | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPrice.sol#L64
# Vulnerability details
# Vulnerability details
## Impact
The added requires and checks to the contract will help ensure that the parameters passed to the buy() function are val... | https://github.com/code-423n4/2022-12-escher-findings/issues/430 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:424 | code4rena | 2022-12-escher-findings | #424 | Medium | Silent overflow when casting to uint80 | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDA.sol#L71
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDA.sol#L82
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f32... | https://github.com/code-423n4/2022-12-escher-findings/issues/424 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:423 | code4rena | 2022-12-escher-findings | #423 | Medium | Value stuck in LPDA minter if sales never complete | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDA.sol#L81-L88
# Vulnerability details
## Impact
Value will be stuck in LPDA minter if the sales never complete since it only transfer fund when `newId == temp.finalId`
Although the owner can b... | https://github.com/code-423n4/2022-12-escher-findings/issues/423 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:421 | code4rena | 2022-12-escher-findings | #421 | Medium | Using `transfer` to send eth instead of a call | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDA.sol#L86
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDA.sol#L85
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f32... | https://github.com/code-423n4/2022-12-escher-findings/issues/421 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:416 | code4rena | 2022-12-escher-findings | #416 | Medium | Fees and artists' Ether may stuck in the FixedPrice and LPDA contracts | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/FixedPrice.sol#L73
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/FixedPrice.sol#L107-L111
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L81-L88
# Vulnerability details
## Impact
Arti... | https://github.com/code-423n4/2022-12-escher-findings/issues/416 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:415 | code4rena | 2022-12-escher-findings | #415 | Medium | Sales can be bricked if already mited `tokenid` is within sale range | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPrice.sol#L57-L74
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDA.sol#L58-L89
# Vulnerability details
## Impact
If a tokenId has alr... | https://github.com/code-423n4/2022-12-escher-findings/issues/415 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:414 | code4rena | 2022-12-escher-findings | #414 | Medium | Creator needs to buy himself out of a LPDA sale if there is not enough interest | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDA.sol#L81-L88
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDA.sol#L92-L96
# Vulnerability details
## Impact
If there is not sufficient... | https://github.com/code-423n4/2022-12-escher-findings/issues/414 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:413 | code4rena | 2022-12-escher-findings | #413 | Medium | Fixedprice.sol and OpenEdition.sol cannot be canceled anymore after EIP-4758 | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPrice.sol#L110
# Vulnerability details
## Impact
After [EIP-4758](https://eips.ethereum.org/EIPS/eip-4758), the `SELFDESTRUCT` opCode will no longer be available. The `SELFDESTRUCT` opcode wi... | https://github.com/code-423n4/2022-12-escher-findings/issues/413 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:408 | code4rena | 2022-12-escher-findings | #408 | Medium | Mint Nft in batches in `Fixedprices.sol` `LPDA.sol` and `OpenEdition.sol` | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/OpenEdition.sol#L67
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/FixedPrice.sol#L66
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L74
# Vulnerability details
## Impact
It is gene... | https://github.com/code-423n4/2022-12-escher-findings/issues/408 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:404 | code4rena | 2022-12-escher-findings | #404 | Medium | Funds will be locked in FixedSale.sol if all editions are not sold. | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/FixedPrice.sol#L73
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/FixedPrice.sol#L107
# Vulnerability details
## Impact
Detailed description of the impact of this finding.
In FixedPrice.sol there are only t... | https://github.com/code-423n4/2022-12-escher-findings/issues/404 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:401 | code4rena | 2022-12-escher-findings | #401 | Medium | `LPDA` sale should be able to be finalized when the end time is reached | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L81-L87
# Vulnerability details
The `LPDA` sale type is created with a configurable end time which is not taked into account and doesn't play any role in finalizing the auction.
The ending condition for the sale in this con... | https://github.com/code-423n4/2022-12-escher-findings/issues/401 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:400 | code4rena | 2022-12-escher-findings | #400 | Medium | System will not work as expected when selfdestruct is deactivated | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/FixedPrice.sol#L107-L111
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/FixedPrice.sol#L52
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/OpenEdition.sol#L120-L123
https://github.com/code-423n4/20... | https://github.com/code-423n4/2022-12-escher-findings/issues/400 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:399 | code4rena | 2022-12-escher-findings | #399 | Medium | Creator can still "cancel" a sale after it has started by revoking permissions in `OpenEdition` contract | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/OpenEdition.sol#L75
# Vulnerability details
The `OpenEdition` type of sale has a start time and an end time. The creator (or owner of the contract) can cancel a sale using the `cancel` function only if it hasn't started yet (i.e. sta... | https://github.com/code-423n4/2022-12-escher-findings/issues/399 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:398 | code4rena | 2022-12-escher-findings | #398 | Medium | Sale end time is not checked in `LPDA` contract | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L23
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L62
# Vulnerability details
The `buy` function present in the `LPDA` contract has a missing validation to check that the current sale hasn't fin... | https://github.com/code-423n4/2022-12-escher-findings/issues/398 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:395 | code4rena | 2022-12-escher-findings | #395 | Medium | 'transfer()' function doesn't stop reentrancy attacks in the future | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L58
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L86
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/FixedPrice.sol#L57
https://github.com/code-423n4/2022-12-escher/blob/main/sr... | https://github.com/code-423n4/2022-12-escher-findings/issues/395 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:394 | code4rena | 2022-12-escher-findings | #394 | Medium | There is no way to cancel a sale or withdraw ETH unless all NFTs are sold | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/FixedPrice.sol#L73
# Vulnerability details
The `FixedPrice` contract implements a sale type with a fixed price and a fixed number of NFTs to be sold from the given edition.
The contract will require that all tokens are sold and mint... | https://github.com/code-423n4/2022-12-escher-findings/issues/394 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:391 | code4rena | 2022-12-escher-findings | #391 | Medium | Payment design issue for FixedPrice and LPDA | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPrice.sol#L73
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDA.sol#L81
# Vulnerability details
The only way to end a sale when it has... | https://github.com/code-423n4/2022-12-escher-findings/issues/391 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:390 | code4rena | 2022-12-escher-findings | #390 | Medium | Sale contracts can be bricked if any other minter mints a token with an id that overlaps the sale | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/FixedPrice.sol#L66
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/OpenEdition.sol#L67
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L74
# Vulnerability details
In all of the three sal... | https://github.com/code-423n4/2022-12-escher-findings/issues/390 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:389 | code4rena | 2022-12-escher-findings | #389 | Medium | Use of `selfdestruct()` is deprecated | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPrice.sol#L110
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/OpenEdition.sol#L122
# Vulnerability details
Use of `selfdestruct()` is de... | https://github.com/code-423n4/2022-12-escher-findings/issues/389 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:387 | code4rena | 2022-12-escher-findings | #387 | Medium | after EIP-4758 ``cancel`` function will stop to work | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/OpenEdition.sol#L75-L78
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/OpenEdition.sol#L120-L123
https://github.com/code-423n4/2022-12-escher/bl... | https://github.com/code-423n4/2022-12-escher-findings/issues/387 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:384 | code4rena | 2022-12-escher-findings | #384 | Medium | ## Use openZeppelin `SafeCast ` to type case from uint256 to uint80 | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L101
# Vulnerability details
## Summary
Unsafe typecast on from `uint256` to `uint80` in `refund()` funciton in `LPDA.sol`
## Impact
There is a risk of overflow or underflow if the uint256 value is too large or too small ... | https://github.com/code-423n4/2022-12-escher-findings/issues/384 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:382 | code4rena | 2022-12-escher-findings | #382 | Medium | Generative.sol does not override TOKENURI(), which yields returned uris to be identical with Unique.sol | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/uris/Generative.sol#L6-L31
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/uris/Unique.sol#L10-L13
# Vulnerability details
## Impact
Intention of the `Generat... | https://github.com/code-423n4/2022-12-escher-findings/issues/382 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:379 | code4rena | 2022-12-escher-findings | #379 | Medium | Overlapping sales of the same edition can lead to lock of funds | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/FixedPrice.sol#L66
# Vulnerability details
## Impact
An edition owner can create multiple sales of it. In case that the ranges of token ids to be sold overlap in two different sales, there could be an unintended behaviour where one o... | https://github.com/code-423n4/2022-12-escher-findings/issues/379 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:377 | code4rena | 2022-12-escher-findings | #377 | Medium | selfdestruct() will not be available after EIP-4758 | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/FixedPrice.sol#L110
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/OpenEdition.sol#L122
# Vulnerability details
## Impact
selfdestruct() will not be available after EIP-4758. This EIP will rename the SELFDESTRUCT... | https://github.com/code-423n4/2022-12-escher-findings/issues/377 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:374 | code4rena | 2022-12-escher-findings | #374 | Medium | Lack of function that a curator can call the `_revokeRole()` function | # Lines of code
https://github.com/masaun/2022-12-escher-main/blob/main/src/Escher.sol#L67-L70
# Vulnerability details
## Impact
- `_grantRole()` function can be called by calling the `addCreator()` function.
https://github.com/masaun/2022-12-escher-main/blob/main/src/Escher.sol#L27-L29
On the other hand,
- `_r... | https://github.com/code-423n4/2022-12-escher-findings/issues/374 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:373 | code4rena | 2022-12-escher-findings | #373 | Medium | call should be used instead of transfer | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/OpenEdition.sol#L92
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L85
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L86
https://github.com/code-423n4/2022-12-escher/blob/main/s... | https://github.com/code-423n4/2022-12-escher-findings/issues/373 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:370 | code4rena | 2022-12-escher-findings | #370 | Medium | [NAZ-M1] Code Differs From Documentation | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/Escher721.sol#L64
# Vulnerability details
## Impact
Currently in the Sales Patterns section in the [documentation](https://github.com/code-423n4/2022-12-escher#sales-patterns), it states in number 2 that: `"If the artist would like sales and... | https://github.com/code-423n4/2022-12-escher-findings/issues/370 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:369 | code4rena | 2022-12-escher-findings | #369 | Medium | Unsafe downcasting operation truncate user's input | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDA.sol#L71
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDA.sol#L82
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f32... | https://github.com/code-423n4/2022-12-escher-findings/issues/369 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:363 | code4rena | 2022-12-escher-findings | #363 | Medium | The ````FixedPrice```` contract can not be closed before sold out | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPrice.sol#L50
# Vulnerability details
## Impact
The ````FixedPrice```` contract doesn't provide a way to stop partially filled sales, this produces a risk to make existing funds almost stuck i... | https://github.com/code-423n4/2022-12-escher-findings/issues/363 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:361 | code4rena | 2022-12-escher-findings | #361 | Medium | `call()` should be used instead of `transfer()` on an address payable | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/OpenEdition.sol#L92
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/FixedPrice.sol#L109
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L85
https://github.com/code-423n4/2022-12-escher/... | https://github.com/code-423n4/2022-12-escher-findings/issues/361 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:360 | code4rena | 2022-12-escher-findings | #360 | Medium | No mechanism to transfer fee amount to feeReceiver in sepecial case . | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDA.sol#L81-L88
# Vulnerability details
## Impact
fee amount will not transfer to feeReceiver in case of auction ends and not all editions being sold .
## Proof of Concept
In LPDA sale the only m... | https://github.com/code-423n4/2022-12-escher-findings/issues/360 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:359 | code4rena | 2022-12-escher-findings | #359 | Medium | Denial of Service at the FixedSale.sol contract due to not be capable of minting an id already minted. | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/FixedPrice.sol#L52
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/FixedPrice.sol#L73
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/FixedPrice.sol#L107
# Vulnerability details
## Impact
The et... | https://github.com/code-423n4/2022-12-escher-findings/issues/359 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:358 | code4rena | 2022-12-escher-findings | #358 | Medium | Usage of deprecated transfer() can result in revert | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L85-L86
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L105
# Vulnerability details
## Vulnerability details
`transfer` uses a fixed amount of gas, which was used to prevent reentrancy. However,... | https://github.com/code-423n4/2022-12-escher-findings/issues/358 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:355 | code4rena | 2022-12-escher-findings | #355 | Medium | Unsafe down-casting from uint256 to uint24 and uint48 may overflow | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L59
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/OpenEdition.sol#L58
# Vulnerability details
## Impact
Down-casting from uint256 to lower uint values may overflow
## Proof of Concept
explicit conversio... | https://github.com/code-423n4/2022-12-escher-findings/issues/355 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:354 | code4rena | 2022-12-escher-findings | #354 | Medium | Use of depricated ```.transfer()``` instead of low-level ```.call()``` can lead to loss of funds | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPrice.sol#L107-L111
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDA.sol#L85-L86
https://github.com/code-423n4/2022-12-escher/blob/5d8be... | https://github.com/code-423n4/2022-12-escher-findings/issues/354 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:353 | code4rena | 2022-12-escher-findings | #353 | Medium | Transfer function will run out of gas | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L105
# Vulnerability details
## Impact
After istanbul fork transfer function takes more gas then before and so it may happen it causes DOS error you should replace tranfer with call
## Tools Used
Manual review
## Recommend... | https://github.com/code-423n4/2022-12-escher-findings/issues/353 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:350 | code4rena | 2022-12-escher-findings | #350 | Medium | `OpenEdition.buy` can revert due to interger overflow. | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/OpenEdition.sol#L63
# Vulnerability details
## Impact
The `buy` function of `OpenEdition` declares variables which are shorter than 32 bytes and it also performs arithmetic operations on those variables. The function declares an `uin... | https://github.com/code-423n4/2022-12-escher-findings/issues/350 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:349 | code4rena | 2022-12-escher-findings | #349 | Medium | Anyone can create a Fixed Price Sale, Open Edition Sale and a LPDA Sale with a fake Escher721 edition. | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/FixedPriceFactory.sol#L30
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDAFactory.sol#L30
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/OpenEditionFactory.sol#L30
# Vulnerability details
##... | https://github.com/code-423n4/2022-12-escher-findings/issues/349 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:348 | code4rena | 2022-12-escher-findings | #348 | Medium | Zero address check | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/Escher721.sol#L57
# Vulnerability details
## Impact
Detailed description of the impact of this finding.
function updateURIDelegate does not have a zero address check
## Tools Used
Manual review
## Recommended Mitigation Steps
require (_u... | https://github.com/code-423n4/2022-12-escher-findings/issues/348 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:347 | code4rena | 2022-12-escher-findings | #347 | Medium | Artist can cancel Sale by minting tokens | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/Escher721.sol#L51
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPrice.sol#L50
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2... | https://github.com/code-423n4/2022-12-escher-findings/issues/347 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:343 | code4rena | 2022-12-escher-findings | #343 | Medium | Lack of endtime in FixedPrice.sol sale setting, if the item never sold out, the ETH is locked in the contract in FixedPrice.sol and LPDA.sol | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPrice.sol#L14
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPrice.sol#L73
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0... | https://github.com/code-423n4/2022-12-escher-findings/issues/343 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:341 | code4rena | 2022-12-escher-findings | #341 | Medium | Lose of all ETH in multiple FixedPrice sale | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/FixedPrice.sol#L57-L74
# Vulnerability details
## Vulnerability details
The owner of Escher721 can deploy a `FixedPrice` sale overlapping the IDs, the end of the sale is defined when all of the IDs are minted, due to overlapping som... | https://github.com/code-423n4/2022-12-escher-findings/issues/341 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:340 | code4rena | 2022-12-escher-findings | #340 | Medium | No sale leave ETH in FixedPrice sale forever | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/FixedPrice.sol#L57-L74
# Vulnerability details
## Vulnerability details
The `FixedPrice` sale is closed when all IDs are minted, while the `CREATOR` can't sell all the IDs the ETH will be stuck in the contract
## POC
The only way ... | https://github.com/code-423n4/2022-12-escher-findings/issues/340 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:336 | code4rena | 2022-12-escher-findings | #336 | Medium | Potential re-entrancy when forwarding the 5% sale fee | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPrice.sol#L109
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDA.sol#L86
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634... | https://github.com/code-423n4/2022-12-escher-findings/issues/336 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:335 | code4rena | 2022-12-escher-findings | #335 | Medium | Multiple Minter of Escher721 can halt the NFT sales permanently | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/FixedPrice.sol#L65-L67
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L73-L75
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/OpenEdition.sol#L66-L68
# Vulnerability details
## Impact
... | https://github.com/code-423n4/2022-12-escher-findings/issues/335 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:331 | code4rena | 2022-12-escher-findings | #331 | Medium | Sale contracts may be blocked if more than one sales run simultaneously | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPrice.sol#L66
# Vulnerability details
## Impact
The current implementation doesn't limit the number of simultaneously running sales from the same ````edition````. This causes a earlier sale ma... | https://github.com/code-423n4/2022-12-escher-findings/issues/331 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:330 | code4rena | 2022-12-escher-findings | #330 | Medium | Use payable(to).call{value: msg.value}("") to send ETH instead of using payable(address).transfer when forwarding the 5% sale fee | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPriceFactory.sol#L12
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPrice.sol#L109
https://github.com/code-423n4/2022-12-escher/blob/5... | https://github.com/code-423n4/2022-12-escher-findings/issues/330 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:329 | code4rena | 2022-12-escher-findings | #329 | Medium | Unauthorized LDPA sale creation | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/FixedPriceFactory.sol#L30
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDAFactory.sol#L30
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/OpenEditionFactory.sol#L30
# Vulnerability details
##... | https://github.com/code-423n4/2022-12-escher-findings/issues/329 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:328 | code4rena | 2022-12-escher-findings | #328 | Medium | ETH will get stuck if all NFTs do not get sold. | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/FixedPrice.sol#L73
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L81-L88
# Vulnerability details
## Impact
In the `buy` function of FixedPrice and LPDA contracts the transfer of funds to `saleReceiver` o... | https://github.com/code-423n4/2022-12-escher-findings/issues/328 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:325 | code4rena | 2022-12-escher-findings | #325 | Medium | Missing implementation for **CURATOR_ROLE** and potential unauthorized access to **_grantRole** and **_revokeRole** functions | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/Escher.sol#L27
# Vulnerability details
## Impact
Detailed description of the impact of this finding.
## Proof of Concept
Description: The **Escher** smart contract defines a **CURATOR_ROLE** but does not provide any mechanism for granting t... | https://github.com/code-423n4/2022-12-escher-findings/issues/325 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:321 | code4rena | 2022-12-escher-findings | #321 | Medium | Using `payable.transfer()` may lock user funds | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L105
# Vulnerability details
## Impact
Using `payable.transfer()` is not recommended because it can lead to the locking of funds.
The `transfer()` call requires that the recipient has a `payable` callback, and only provide... | https://github.com/code-423n4/2022-12-escher-findings/issues/321 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:320 | code4rena | 2022-12-escher-findings | #320 | Medium | **createLPDASale** function allows unauthorized users to specify the **saleReceiver** address | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDAFactory.sol#L29
# Vulnerability details
## Impact
This vulnerability allows malicious users to steal funds from the sale by specifying their own address as the **saleReceiver**. This could result in significant financial loss for... | https://github.com/code-423n4/2022-12-escher-findings/issues/320 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:315 | code4rena | 2022-12-escher-findings | #315 | Medium | Unauthorized creation of open edition contracts in OpenEditionFactory contract | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/OpenEditionFactory.sol#L29
# Vulnerability details
## Impact
This issue can allow unauthorized users to create open edition contracts, potentially allowing them to access or modify sensitive data or functionality.
## Proof of Concep... | https://github.com/code-423n4/2022-12-escher-findings/issues/315 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:314 | code4rena | 2022-12-escher-findings | #314 | Medium | Unauthorized parties can create sales for editions that they do not own | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/FixedPriceFactory.sol#L29
# Vulnerability details
## Impact
That unauthorized parties can create sales for editions that they do not own, potentially leading to financial loss for the contract owner and other users.
If an unauthoriz... | https://github.com/code-423n4/2022-12-escher-findings/issues/314 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:312 | code4rena | 2022-12-escher-findings | #312 | Medium | Creator can cancel a sale after it started by revoking the minter role | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/11ca988e39effe6d316e996c27a876c92e82b4da/src/Escher721.sol#L13
https://github.com/OpenZeppelin/openzeppelin-contracts-upgradeable/blob/65420cb9c943c32eb7e8c9da60183a413d90067a/contracts/access/AccessControlUpgradeable.sol#L165-L167
# Vulnerability det... | https://github.com/code-423n4/2022-12-escher-findings/issues/312 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:310 | code4rena | 2022-12-escher-findings | #310 | Medium | Transfer is used for transferring native asset | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L85-L86
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L105
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/FixedPrice.sol#L109
https://github.com/code-423n4/2022-12-escher/blob/m... | https://github.com/code-423n4/2022-12-escher-findings/issues/310 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:304 | code4rena | 2022-12-escher-findings | #304 | Medium | #buy() If the next tokenId already exists, the contract will not work properly | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPrice.sol#L65
# Vulnerability details
## Impact
#buy() If the next tokenId already exists, the contract will not work properly
## Proof of Concept
Currently all sales contracts, when the pur... | https://github.com/code-423n4/2022-12-escher-findings/issues/304 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:302 | code4rena | 2022-12-escher-findings | #302 | Medium | Malicious users can defraud buyers by forging Escher721 and selling it over the minters | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPriceFactory.sol#L29
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDAFactory.sol#L29
https://github.com/code-423n4/2022-12-escher/blob/5... | https://github.com/code-423n4/2022-12-escher-findings/issues/302 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:300 | code4rena | 2022-12-escher-findings | #300 | Medium | Transfer can fail if receiver contain logic inside fallback | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPrice.sol#L109
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/OpenEdition.sol#L92
https://github.com/code-423n4/2022-12-escher/blob/5d8be6a... | https://github.com/code-423n4/2022-12-escher-findings/issues/300 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:299 | code4rena | 2022-12-escher-findings | #299 | Medium | refund() user may not be able to get back the funds | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDA.sol#L99-L106
# Vulnerability details
## Impact
in LPDA#refund()
If the user is a contract and receive() have too much code, it may not be possible to retrieve his funds
## Proof of Concept
... | https://github.com/code-423n4/2022-12-escher-findings/issues/299 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:294 | code4rena | 2022-12-escher-findings | #294 | Medium | Use of `transfer()` is not recommended | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L105
# Vulnerability details
## Impact
In `LPDA.sol`, using `transfer()` may cause ETH to be un-retrievable if the `msg.sender` is a smart contract. ETH can potentially be lost if:
- the contract does not implement a payab... | https://github.com/code-423n4/2022-12-escher-findings/issues/294 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:290 | code4rena | 2022-12-escher-findings | #290 | Medium | createContract is not secured | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/Escher721Factory.sol#L27
# Vulnerability details
## Impact
createContract method is not secured. The method is exposed and can be called with malicious data.
## Proof of Concept
https://github.com/code-42... | https://github.com/code-423n4/2022-12-escher-findings/issues/290 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:287 | code4rena | 2022-12-escher-findings | #287 | Medium | All the minters / sales may get stuck and the funds frozen | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDA.sol#L73-L75
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/OpenEdition.sol#L66-L68
https://github.com/code-423n4/2022-12-escher/blob/5d8be6... | https://github.com/code-423n4/2022-12-escher-findings/issues/287 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:282 | code4rena | 2022-12-escher-findings | #282 | Medium | Addressing security vulnerabilities in Solidity code | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/uris/Unique.sol#L10
# Vulnerability details
## Impact
The identified vulnerabilities could allow external contracts and actors to modify contract state and global state, call sensitive functions without proper authorization, and introduce vu... | https://github.com/code-423n4/2022-12-escher-findings/issues/282 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:281 | code4rena | 2022-12-escher-findings | #281 | Medium | If amount of NFTs sold is insufficient then it may be impossible to end a sale and retrieve funds earned with FixedPrice or LDPA sales. | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPrice.sol#L73
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDA.sol#L81
# Vulnerability details
## Impact
Funds from sale remain stuck... | https://github.com/code-423n4/2022-12-escher-findings/issues/281 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:280 | code4rena | 2022-12-escher-findings | #280 | Medium | `buy()` in `LPDA.sol` Can be Manipulated by Buyers | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L68
# Vulnerability details
## Impact
A buyer could plan on buying early at higher prices to make sure he would secure a portion (say 50%) of NFTs he desired. When the number of NFTs still available got smaller and that `sal... | https://github.com/code-423n4/2022-12-escher-findings/issues/280 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:278 | code4rena | 2022-12-escher-findings | #278 | Medium | The `DEFAULT_ADMIN_ROLE` can grant and revoke its own role. Extra precautions should be taken to secure accounts that have been granted it. | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/Escher.sol#L68
# Vulnerability details
## Impact
An admin can accidentally revoke his own role and extra checks are needed in place.
## Proof of Concept
https://github.com/code-423n4/2022-12-escher/blob/5... | https://github.com/code-423n4/2022-12-escher-findings/issues/278 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:277 | code4rena | 2022-12-escher-findings | #277 | Medium | Unprotected call to a function sending Ether to an arbitrary address. | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPrice.sol#L104-L112
# Vulnerability details
## Impact
Detailed description of the impact of this finding.
When the _end function is called by either buy() or cancel() there is a risk of an att... | https://github.com/code-423n4/2022-12-escher-findings/issues/277 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:274 | code4rena | 2022-12-escher-findings | #274 | Medium | Inconsistency in fees | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/FixedPrice.sol#L109
# Vulnerability details
## Impact
If the seller cancel before the sale startTime then all funds should be moved to saleReceiver without any deduction (Assuming seller has sent some ETH accidentally before sell sta... | https://github.com/code-423n4/2022-12-escher-findings/issues/274 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:273 | code4rena | 2022-12-escher-findings | #273 | Medium | User can buy even after endTime | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L58
# Vulnerability details
## Impact
User can buy even after endTime which should not be allowed
## Proof of Concept
1. Observe the buy function
```
function buy(uint256 _amount) external payable {
uint48 amount =... | https://github.com/code-423n4/2022-12-escher-findings/issues/273 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:272 | code4rena | 2022-12-escher-findings | #272 | Medium | Use call opcode instead of transfer for sending value | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPrice.sol#L109
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDA.sol#L105
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e863... | https://github.com/code-423n4/2022-12-escher-findings/issues/272 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:271 | code4rena | 2022-12-escher-findings | #271 | Medium | saleReceiver may never get back the funds | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/minters/LPDA.sol#L81
# Vulnerability details
## Impact
It seems saleReceiver only get back funds when finalId is reached and endTime has no impact on this. This approach has 2 problems:
1. In case if sale is started with a very large finalI... | https://github.com/code-423n4/2022-12-escher-findings/issues/271 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:269 | code4rena | 2022-12-escher-findings | #269 | Medium | `address.call{value:x}()` should be used instead of `payable.transfer()` | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/FixedPrice.sol#L109
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDA.sol#L85-L86
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e... | https://github.com/code-423n4/2022-12-escher-findings/issues/269 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:267 | code4rena | 2022-12-escher-findings | #267 | Medium | There is no check when revoking a role | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/main/src/Escher.sol#L68
# Vulnerability details
## Impact
When granting a role, a check is in place. However, there is no check in place when revoking a role.
## Proof of Concept
/// @notice Receive a role, get a token
function _grantRole(by... | https://github.com/code-423n4/2022-12-escher-findings/issues/267 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:264 | code4rena | 2022-12-escher-findings | #264 | Medium | Funds can get stuck if all tokens aren't sold in LPDA | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDA.sol#L58-L89
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e8634fdb2f328b99076b0d05fefab73/src/minters/LPDA.sol#L92-L96
https://github.com/code-423n4/2022-12-escher/blob/5d8be6aa0e863... | https://github.com/code-423n4/2022-12-escher-findings/issues/264 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:261 | code4rena | 2022-12-escher-findings | #261 | Medium | dont use transfer instead use call | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/1e6414d4dac5a821ffa8adad571080f5f91dfbeb/src/minters/FixedPrice.sol#L109
# Vulnerability details
## Impact
if the fee receiver is a smart contract that goes above the 2300 gas limit then the owner won't be able to get their funds out and it can dos s... | https://github.com/code-423n4/2022-12-escher-findings/issues/261 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:259 | code4rena | 2022-12-escher-findings | #259 | Medium | A user can loss alot of funds if they buy alot of nfts | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/1e6414d4dac5a821ffa8adad571080f5f91dfbeb/src/minters/FixedPrice.sol#L57
# Vulnerability details
## Impact
When a whale wants to buy nfts and they then put a lot of funds into the buy function, they won't get the nfts, and their funds will be lost... | https://github.com/code-423n4/2022-12-escher-findings/issues/259 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-escher-findings:258 | code4rena | 2022-12-escher-findings | #258 | Medium | The creator can dos a user and make them loss gas funds | # Lines of code
https://github.com/code-423n4/2022-12-escher/blob/1e6414d4dac5a821ffa8adad571080f5f91dfbeb/src/minters/FixedPriceFactory.sol#L30
# Vulnerability details
## Impact
A creator can give a lower role to users who want to make `FixedPrice` sale and dos them and they will lose their gas funds
## Proof o... | https://github.com/code-423n4/2022-12-escher-findings/issues/258 | defi | 2026-05-08T04:37:49Z |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.