Progress Sitefinity CMS before 10.1 allows XSS via /Pages Parameter : Page Title /Content/News Parameter : News Title /Content/List Parameter : List Title /Content/Documents/LibraryDocuments/incident-request-attachments Parameter : Document Title /Content/Images/LibraryImages/newsimages Parameter : Image Title /Content/links Parameter : Link Title /Content/links Parameter : Link Title or /Content/Videos/LibraryVideos/default-video-library Parameter : Video Title.