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 a \b (backspace) character in CSS.
References (7)
Core 7
Core References
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/63760
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/57472
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2014/dsa-2891
Various Sources mailing-list
x_refsource_mlist
http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-November/000135.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2013-December/123011.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2013-December/122998.html
Issue Tracking x_refsource_confirm
https://bugzilla.wikimedia.org/show_bug.cgi?id=55332
Scores
EPSS
0.0046
EPSS Percentile
64.1%
Details
Status
published
Products (21)
mediawiki/mediawiki
1.19 (3 CPE variants)
mediawiki/mediawiki
1.19.0
mediawiki/mediawiki
1.19.1
mediawiki/mediawiki
1.19.2
mediawiki/mediawiki
1.19.3
mediawiki/mediawiki
1.19.4
mediawiki/mediawiki
1.19.5
mediawiki/mediawiki
1.19.6
mediawiki/mediawiki
1.19.7
mediawiki/mediawiki
1.20
... and 11 more
Published
Dec 13, 2013
Tracked Since
Feb 18, 2026