A cross-site scripting (XSS) vulnerability in MediaWiki before 1.19.5 and 1.20.x before 1.20.4 and allows remote attackers to inject arbitrary web script or HTML via Lua function names.
https://security-tracker.debian.org/tracker/CVE-2013-1951
https://phabricator.wikimedia.org/T48084
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2013-1951
https://bugs.gentoo.org/show_bug.cgi?id=CVE-2013-1951
http://www.securityfocus.com/bid/59077
http://www.openwall.com/lists/oss-security/2013/04/16/12
http://security.gentoo.org/glsa/glsa-201310-21.xml
http://lists.fedoraproject.org/pipermail/package-announce/2013-April/104027.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-April/104022.html