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.
https://exchange.xforce.ibmcloud.com/vulnerabilities/35399
http://www.securityfocus.com/archive/1/473627/100/0/threaded
http://www.redteam-pentesting.de/advisories/rt-sa-2007-006.php
http://securityreason.com/securityalert/2900