Home/CVE/Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x b
CVE

CVE-2013-4567

Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x b

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.

MEDIUM · CVSS 4.3 EPSS 0.00456
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
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Affected Products & Versions

2
mediawiki<= 1.19.8
mediawikiall versions
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v2 (legacy) · secalert@redhat.com
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This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:N/C:N/I:P/A:N
Published to NVD13 Dec 2013 · 06:07 PM
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References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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/63760
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