An FBX-5312 issue was discovered in WatchGuard Fireware before 12.0. If a login attempt is made in the XML-RPC interface with an XML message containing an empty member element, the wgagent crashes, logging out any user with a session opened in the UI. By continuously executing the failed login attempts, UI management of the device becomes impossible.
Multiple cross-site scripting (XSS) vulnerabilities in the firewall policy management pages in WatchGuard Fireware XTM before 11.8.3 allow remote attackers to inject arbitrary web script or HTML via the pol_name parameter.
Multiple cross-site scripting (XSS) vulnerabilities in WebCenter in WatchGuard WSM and Fireware before 11.8 allow remote attackers to inject arbitrary web script or HTML via unspecified parameters.
Buffer overflow in WGagent in WatchGuard WSM and Fireware before 11.8 allows remote attackers to execute arbitrary code via a long sessionid value in a cookie.