MediaWiki Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability - CVE-2013-2031
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.