Cross-site scripting (XSS) vulnerability in Microsoft Forefront Unified Access Gateway (UAG) 2010 Gold, Update 1, Update 2, and SP1 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, aka "Default Reflected XSS Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13039
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-079