This tells the database to combine the results of the original query with a new query created by the attacker [3, 4].
High (Targeting database integrity and data exfiltration). 2. Technical Analysis -1740) UNION ALL SELECT 34,34,34#
Implement parameterized queries immediately. This treats all user input as data, never as executable code [6, 7]. This tells the database to combine the results
This is an attempt to "break out" of the original query logic by providing a non-existent ID and closing any open parentheses. Ensure your WAF is configured to flag and
Ensure your WAF is configured to flag and block common UNION SELECT patterns [9]. AI responses may include mistakes. Learn more
Attackers use repeating constants like this to determine the number of columns in the original table [3]. If the page loads without an error, they know the table has exactly three columns.
This is a comment character in MySQL used to nullify the rest of the original, legitimate query, preventing syntax errors [2, 5].