Inputs in the Cerberus Helpdesk is not properly sanitized, and XSS is possible in a lot of the systems input fields and url parameters. You can add XSS that will hit every user of the system, and even simple scripting tags like <script>alert('f')</script> is allowed PoC: http://www.SITE.example/tts2/clients.php?mode=search&sid=<sidvalue>&cont act_search=<script>alert('c')</script> Vendor?s site: http://www.webgroupmedia.com Please credit to: Preben Nyl?kken