CVE-2013-4568

Published: 13 December 2013

Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting (XSS) attacks via certain non-ASCII characters in CSS, as demonstrated using variations of "expression" containing (1) full width characters or (2) IPA extensions, which are converted and rendered by Internet Explorer.

Status

References

• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4568
• https://bugzilla.wikimedia.org/show_bug.cgi?id=55332
• https://bugzilla.wikimedia.org/attachment.cgi?id=13452&action=diff
• http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-November/000135.html
• http://lists.fedoraproject.org/pipermail/package-announce/2013-December/123011.html
• http://lists.fedoraproject.org/pipermail/package-announce/2013-December/122998.html
• NVD
• Launchpad
• Debian

Bugs

• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=729629