source: https://www.securityfocus.com/bid/15640/info
 
FAQ System is prone to multiple SQL injection vulnerabilities. These issues are due to a failure in the application to properly sanitize user-supplied input before using it in an SQL query.
 
Successful exploitation could result in a compromise of the application, disclosure or modification of data, or may permit an attacker to exploit vulnerabilities in the underlying database implementation.
 
Versions 1.1 and prior are vulnerable; other versions may also be affected. 

http://www.example.com/index.php?SEARCH_KEYS=&CATEGORY_ID=[SQL]