Multiple cross-site scripting (XSS) flaws were found in the way Plone, a user friendly and powerful content management system, performed sanitization of user provided input in web forms. A remote attacker could provide a specially-crafted URL that, when visited by authenticated Plone user could lead to arbitrary HTML or web script execution in the context of Plone user's session.
References: http://plone.org/products/plone/security/advisories/20130611-announcement
The CVE identifier of CVE-2013-4190 has been assigned to this issue: http://www.openwall.com/lists/oss-security/2013/08/01/2
Created plone tracking bugs for this issue: Affects: epel-5 [bug 991015]