CVE-2013-4568

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.

Score

CVSS 2.0 4.3 Medium

Status

Modified - secalert@redhat.com

Published

2013-12-13

Last modified

2024-08-06

Affected products

• Mediawiki (Mediawiki)

References

• http://lists.fedoraproject.org/pipermail/package-announce/2013-December/122998.html
• http://lists.fedoraproject.org/pipermail/package-announce/2013-December/123011.html
• http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-November/000135.html
• http://secunia.com/advisories/57472
• http://www.debian.org/security/2014/dsa-2891
• http://www.securityfocus.com/bid/63761
• https://bugzilla.wikimedia.org/attachment.cgi?id=13452&action=diff
• https://bugzilla.wikimedia.org/show_bug.cgi?id=55332