{keyword} Union All Select Null,null,null,null,null,null-- Gojb ★ Ultra HD
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
Here is a detailed breakdown of what each component of this specific string does: 1. {KEYWORD} Scanners append strings like GoJB so that the
Developers should use Parameterized Queries (Prepared Statements), which treat user input as literal data rather than executable code. : The database executes: SELECT col1, col2, col3,
: The database executes: SELECT col1, col2, col3, col4, col5, col6 FROM products WHERE name = '' UNION ALL SELECT NULL,NULL,NULL,NULL,NULL,NULL--' . GoJB If the page returns an error (like
: 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
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 results of the original query plus the results of their injected query.