Submission Details
Severity:
using `_mint` to mint ERC721 tokens instead of `_safeMint`
Summary
In GivingThanks.sol contract, while minting the NFT receipt to the donor's wallet, _mint was used instead of _safeMint.
Vulnerability Details
Line 26 of GivingThanks.sol contract
_mint(msg.sender, tokenCounter);
Impact
This could lead to loss of funds and NFT as the _mint function does not check if the receiving address can receive ERC721 tokens
Tools Used
Manual Review
Recommendations
_mint should be changed to _safeMint
_safeMint(msg.sender, tokenCounter);
Rewards breakdown
nSLOC
67This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
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