source: https://www.securityfocus.com/bid/11363/info

Multiple vulnerabilities have been identified in the software that may allow a remote attacker to carry out SQL injection and HTML injection attacks. An attacker may also gain unauthorized access to a user's account.

DUclassmate may allow unauthorized remote attackers to gain access to a computer.

DUclassified is reported prone to multiple SQL injection vulnerabilities.

SQL injection issues also affect DUforum.

DUclassified and DUforum are also reported vulnerable to various unspecified HTML injection vulnerabilities.

http://www.example.com/DUclassified/adDetail.asp?cat_id=1;[SQL INJECT]&sub_id=1;[SQL INJECT]