Multiple cross-site scripting (XSS) vulnerabilities in Request Tracker (RT) 4.x before 4.2.12 allow remote attackers to inject arbitrary web script or HTML via vectors related to the (1) user and (2) group rights management pages.
https://bestpractical.com/release-notes/rt/4.2.12
http://www.securityfocus.com/bid/76364
http://www.debian.org/security/2015/dsa-3335
http://lists.fedoraproject.org/pipermail/package-announce/2015-August/165163.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-August/165124.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-August/164607.html
http://blog.bestpractical.com/2015/08/security-vulnerabilities-in-rt.html