Cross-site scripting (XSS) vulnerability in an unspecified page template in Plone CMS 5.x through 5.0.6, 4.x through 4.3.11, and 3.3.x through 3.3.6 allows remote attackers to inject arbitrary web script or HTML via unknown vectors.
packetstormsecurity.com/files/139110/Plone-CMS-4.3.11-5.0.6-XSS-Traversal-Open-Redirection.html
seclists.org/fulldisclosure/2016/Oct/80
www.openwall.com/lists/oss-security/2016/09/05/4
www.openwall.com/lists/oss-security/2016/09/05/5
www.securityfocus.com/archive/1/539572/100/0/threaded
www.securityfocus.com/bid/92752
plone.org/security/hotfix/20160830/non-persistent-xss-in-plone