The network diagnostics tool (CommandLineServlet) in the Appliance Manager command line utility (CLU) in Websense TRITON 7.8.3 and V-Series appliances before 7.8.4 Hotfix 02 allows remote authenticated users to execute arbitrary commands via shell metacharacters in the "second" parameter of a command, as demonstrated by the Destination parameter in the ping command.

Multiple cross-site scripting (XSS) vulnerabilities in the data loss prevention (DLP) incident Forensics Preview in Websense Triton 7.8.3 and V-Series 7.7 appliances allow remote attackers to inject arbitrary web script or HTML via a crafted (1) email or (2) HTTP request, which triggers a DLP Policy.