LowLevelETH: _returnETHIfAny; _returnETHIfAny; _returnETHIfAnyWithOneWeiLeft do not check if call was successful

Lines of code Vulnerability details Impact This means that the caller won't receive ETH but the transaction will continue, this could specially affects to function LookRareAggregator.execute, which use returnETHIfAnyaddress function, leading to originator lose of funds or mess up its state...

It is possible for ETH to be trapped inside LooksRareAggregattor contract

Lines of code Vulnerability details Impact If a user purchases NFTs with ETH or ETH and ERC20 tokens but with limited gas fees, it is possible that all purchase transactions are successful and have some ETH or ETH and ERC20 tokens left. The left ETH may be trapped inside the contract and the user...