source: http://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/DUforum/messages.asp?FOR_ID=1;[SQL INJECT]