source: https://www.securityfocus.com/bid/54115/info

Coppermine Photo Gallery is prone to an SQL-injection vulnerability because it fails to sufficiently sanitize user-supplied data before using it in an SQL query.

A successful exploit may allow an attacker to compromise the application, access or modify data, or exploit latent vulnerabilities in the underlying database. 

http://www.example.com/index.php?cat=14 [SQLi]