This is the terminator . It attempts to break out of the developer's intended string literal. If the application does not sanitize input, the database engine will see this quote and assume the original command has ended, allowing the attacker to append their own logic.
The ORDER BY clause tells the database to sort results by a specific column. -5025 ORDER BY 1#
Ensure the database user account used by the web application has limited permissions. This is the terminator
This is the gold standard. It treats user input strictly as data, never as executable code. The ORDER BY clause tells the database to
This is the comment character for MySQL. It tells the database to ignore everything that follows it in the original code. This prevents the "leftover" part of the developer’s query from causing a syntax error that would break the injection. 3. Execution Flow
