Force a "True" result to log in without a password.
UNION ALL SELECT NULL,NULL is used to determine the number of columns in the original query's SELECT statement. If the page loads without an error, the attacker knows the original table has exactly two columns [2]. {KEYWORD}) UNION ALL SELECT NULL,NULL#
The ) and } characters attempt to close existing function calls or brackets in the original SQL statement. Force a "True" result to log in without a password
The # character (used in MySQL/MariaDB) comments out the rest of the legitimate query, preventing syntax errors from trailing code [3]. 3. Potential Risk An attacker successfully using this technique can: The ) and } characters attempt to close
Security Audit Report: SQL Injection Vulnerability Critical / High Priority Location: Query Parameter {KEYWORD} 1. Vulnerability Summary
Identify the database version and schema to plan a larger breach [1]. 4. Recommended Fixes