{keyword} Union All Select Null,null,null,null,null,null-- Gojb 🏆

This is likely a or "signature" used by an automated vulnerability scanner (such as Burp Suite, SQLmap, or Acunetix).

Developers should use Parameterized Queries (Prepared Statements), which treat user input as literal data rather than executable code. This is likely a or "signature" used by

: By using six NULL values, the attacker is testing if the original query has exactly six columns. If the page returns an error (like "The

If the page returns an error (like "The used SELECT statements have a different number of columns"), the attacker will try again with five or seven NULL values until the error disappears. 4. -- (The Comment) In SQL, double-dashes signify the start of a comment. : The attacker wants the database to return

: The attacker wants the database to return the results of the original query plus the results of their injected query.

This is the "probe" part of the injection. The attacker is trying to determine the number of columns being returned by the original database query.

: A website takes user input and places it directly into a SQL query without "cleaning" it first.