Without strictly verifying the attribution of balance and the size of the balance when refunding, hackers may use the attack to steal all ERC20 tokens！

Lines of code Vulnerability details Impact When using any ERC20 token to purchase NFT, after the purchase is successful, the 108th line of code in the contract LooksRareAggregator determines whether there are any remaining unused ERC20 tokens. If there is any remaining, it will be returned to the...