{keyword}' Union All Select Null# May 2026

: Acts as a placeholder to match the number of columns in the original query [1, 5].

SELECT name, description FROM products WHERE category = '{KEYWORD}' UNION ALL SELECT NULL, NULL#'; How it works: : Closes the original data string [2]. {KEYWORD}' UNION ALL SELECT NULL#

: Appends the results of a second query to the first [3, 4]. : Acts as a placeholder to match the

That specific text is a common pattern used in . It is designed to trick a database into revealing unauthorized information by joining the results of a legitimate query with a custom set of "null" data [1, 2]. 5]. SELECT name