Cross-site scripting (XSS) vulnerability in MediaWiki 1.15 before 1.15.4 and 1.16 before 1.16 beta 3 allows remote attackers to inject arbitrary web script or HTML via crafted Cascading Style Sheets (CSS) strings that are processed as script by Internet Explorer.
https://bugzilla.wikimedia.org/show_bug.cgi?id=23687
http://lists.wikimedia.org/pipermail/mediawiki-announce/2010-May/000091.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-July/043856.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-July/043803.html