Multiple cross-site scripting (XSS) vulnerabilities in Kentico CMS 8.2 allow remote attackers to inject arbitrary web script or HTML via a (1) parameter name to CMSModules/AdminControls/Pages/UIPage.aspx or the (2) CMSBodyClass cookie variable to the default URI.
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.