Cross-site scripting (XSS) vulnerability in the logon page in Remote Desktop Web Access (RD Web Access) in Microsoft Windows Server 2008 R2 and R2 SP1 allows remote attackers to inject arbitrary web script or HTML via the URI, aka "Remote Desktop Web Access Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12792
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-061