MediaWiki before 1.19.6 and 1.20.x before 1.20.5 allows remote attackers to conduct cross-site scripting (XSS) attacks, as demonstrated by a CDATA section containing valid UTF-7 encoded sequences in a SVG file, which is then incorrectly interpreted as UTF-8 by Chrome and Firefox.
lists.fedoraproject.org/pipermail/package-announce/2013-May/105784.html
lists.fedoraproject.org/pipermail/package-announce/2013-May/105825.html
lists.fedoraproject.org/pipermail/package-announce/2013-May/106293.html
lists.wikimedia.org/pipermail/mediawiki-announce/2013-April/000129.html
secunia.com/advisories/55433
secunia.com/advisories/57472
security.gentoo.org/glsa/glsa-201310-21.xml
www.debian.org/security/2014/dsa-2891
www.openwall.com/lists/oss-security/2013/05/01/2
www.securityfocus.com/bid/59594
bugzilla.wikimedia.org/show_bug.cgi?id=47304