Submitted by shenwilly, also found by 0x29A, berndartmueller, BowTiedWardens, peritoflores, and VAD37
https://github.com/code-423n4/2022-06-infinity/blob/765376fa238bbccd8b1e2e12897c91098c7e5ac6/contracts/core/InfinityExchange.sol#L1260-L1263
https://github.com/code-423n4/2022-06-infinity/blob/765376fa238bbccd8b1e2e12897c91098c7e5ac6/contracts/core/InfinityExchange.sol#L739-L747
A malicious or compromised governance can set the transfer gas cost to an unreasonable amount and steal approved WETH from buyers.
There are two ways for governance to exploit this:
Set a sanity check in updateWethTranferGas so governance cant set it to unreasonable value. Consider using timelock for setting governance settings.
nneverlander (Infinity) acknowledged, but disagreed with severity 
HardlyDifficult (judge) commented:
