Mega'/**/and/**/dbms_pipe.receive_message('a',2)='a -

: Ensure the database user account used by the application does not have permission to execute high-risk packages like DBMS_PIPE unless absolutely necessary.

: A logical operator used to append a new condition to the original query. MEGA'/**/and/**/DBMS_PIPE.RECEIVE_MESSAGE('a',2)='a

: These are SQL comment tags used in place of spaces. Attackers use this technique to bypass Web Application Firewalls (WAFs) or filters that might block standard whitespace. : Ensure the database user account used by

If the page takes ~2 seconds longer than usual to load, they know the DBMS_PIPE command was successfully executed. MEGA'/**/and/**/DBMS_PIPE.RECEIVE_MESSAGE('a',2)='a