The WYSIWYG editor applet in activeWeb contentserver CMS before 5.6.2964 only filters malicious tags from articles sent to admin/applets/wysiwyg/rendereditor.asp, which allows remote authenticated users to inject arbitrary JavaScript via a request to admin/worklist/worklist_edit.asp.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.082
EPSS Ranking 91.8%