Description
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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://secunia.com/advisories/57472 ↗
- http://www.debian.org/security/2014/dsa-2891 ↗
- 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://www.securityfocus.com/bid/63761 ↗
- http://lists.fedoraproject.org/pipermail/package-announce/2013-December/122998.html ↗
- https://bugzilla.wikimedia.org/show_bug.cgi?id=55332 ↗