Cross-site request forgery (CSRF) vulnerability in the Special:Import feature in MediaWiki 1.3.0 through 1.6.10, 1.12.x before 1.12.2, and 1.13.x before 1.13.3 allows remote attackers to perform unspecified actions as authenticated users via unknown vectors.
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.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