Usage of _safeMint in NextGenCore@_mintProcessing allows an attacker to reenter when onERC721Received is called

Lines of code Vulnerability details Impact An attacker can : Exceed the per address allowance in Fixed Price Sale, Exponential Descending Sale and Linear Descending Sale modes. Cause a loss for another user in Burn-to-Mint mode by accepting an offer when onERC721Received is triggered. Proof of...

The reentrancy vulnerability in NextGenCore can allow an attacker to manipulate minting execution

Lines of code Vulnerability details Impact Function mintProcessing has been used in mint and airDropTokens and both doesn't follow check-effect-interaction pattern and code updates the values of tokensAirdropPerAddress, tokensMintedAllowlistAddress and tokensMintedPerAddress variables after makin...

The Transfer event is emitted successfully in MinterContract#mintAndAuction() even when the transaction has failed, leading to inaccurate accounting in off-chain systems.

Lines of code Vulnerability details Impact The airDropTokens function in the NextGenCore contract is responsible for minting and transferring an NFT to a user, exclusively called by the MinterContract. However, the execution of airDropTokens within MinterContractmintAndAuction prior to critical...