{keyword} Union All Select Null,null,null,null,null,null-- Gojb Apr 2026

: NULL is used because it is compatible with almost any data type (integers, strings, dates, etc.).

: Any code that was supposed to follow the input (like a closing quote or a WHERE clause) is ignored by the database, preventing syntax errors that would break the injection. 5. GoJB

Scanners append strings like GoJB so that the security researcher can search the website's logs or the page's source code later to confirm that their input was successfully processed and reflected by the server. Summary of the Attack Flow : NULL is used because it is compatible

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

Here is a detailed breakdown of what each component of this specific string does: 1. {KEYWORD} GoJB Scanners append strings like GoJB so that

: For a UNION to work, the second query must have the exact same number of columns as the first query. 3. SELECT NULL,NULL,NULL,NULL,NULL,NULL

This string is a classic example of a used by security researchers and attackers to probe a website's database for vulnerabilities. {KEYWORD} : For a UNION to work, 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.