CVE-2013-4568

Summary

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 Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional 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

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

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