Cerberus Helpdesk before 4.0 (Build 600) allows remote attackers to obtain sensitive information via direct requests for "controllers ... that aren't standard helpdesk pages," possibly involving the (1) /display and (2) /kb URIs.

Multiple cross-site scripting (XSS) vulnerabilities in clients.php in Cerberus Helpdesk, possibly 2.7, allow remote attackers to inject arbitrary web script or HTML via (1) the contact_search parameter and (2) unspecified url fields.