Cross-site scripting (XSS) vulnerability in MediaWiki before 1.6.11, 1.12.x before 1.12.2, and 1.13.x before 1.13.3, when Internet Explorer is used and uploads are enabled, or an SVG scripting browser is used and SVG uploads are enabled, allows remote authenticated users to inject arbitrary web script or HTML by editing a wiki page.
https://www.redhat.com/archives/fedora-package-announce/2008-December/msg01309.html
https://www.redhat.com/archives/fedora-package-announce/2008-December/msg01256.html
http://www.securityfocus.com/bid/32844
http://www.debian.org/security/2009/dsa-1901
http://secunia.com/advisories/33349
http://secunia.com/advisories/33133
http://lists.wikimedia.org/pipermail/mediawiki-announce/2008-December/000080.html
http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00002.html