{keyword}) Union All Select Null,null,null,null,null,null# Apr 2026

: This is the core of the attack. The UNION operator combines the results of two or more SELECT statements into a single result set. ALL ensures that duplicate rows are kept.

: Most modern frameworks like Hibernate or Entity Framework handle this protection automatically. {KEYWORD}) UNION ALL SELECT NULL,NULL,NULL,NULL,NULL,NULL#

The string you provided is a specific used to test for vulnerabilities in a database. It is designed to trick a web application into running a second, unauthorized query and appending the results to the original one. Breakdown of the Payload : This is the core of the attack