{keyword}') Union All Select Null,null,null,null,null,null,null,null,null-- Zljd — Premium

: They can bypass login screens by injecting code that always evaluates to "True."

The string is constructed to "break out" of a standard search query and force the database to execute a new, malicious command. : They can bypass login screens by injecting

: This is the heart of the attack. It combines the results of the original query with a new query defined by the attacker. : They can bypass login screens by injecting