{keyword} Union All Select Null,null,null,null,null,null,null-- Pvwz Official

: This attempts to combine the results of the original legitimate database query with a new query controlled by the attacker.

Ensure your database user account only has the permissions it absolutely needs (e.g., a web app shouldn't have permission to drop tables). : This attempts to combine the results of

Example (Python/psycopg2): cursor.execute("SELECT * FROM users WHERE name = %s", (user_input,)) : This attempts to combine the results of