CVE-2013-1951

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-10-31 · updated 2026-06-16
Weakness: CWE-79

Description

A cross-site scripting (XSS) vulnerability in MediaWiki before 1.19.5 and 1.20.x before 1.20.4 and allows remote attackers to inject arbitrary web script or HTML via Lua function names.

Affected products

Debian Linux: 9.0, 10.0
Wikimedia Foundation MediaWiki: before 1.19.5; from 1.20.0 before 1.20.4 — fixed in 1.19.5, 1.20.4

How to fix

Upgrade to a fixed version: Wikimedia Foundation MediaWiki 1.19.5, 1.20.4. Check the vendor advisory for mitigations.

References

http://lists.fedoraproject.org/pipermail/package-announce/2013-April/104022.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-April/104027.html
http://security.gentoo.org/glsa/glsa-201310-21.xml
http://www.openwall.com/lists/oss-security/2013/04/16/12
http://www.securityfocus.com/bid/59077
https://bugs.gentoo.org/show_bug.cgi?id=CVE-2013-1951
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2013-1951
https://phabricator.wikimedia.org/T48084
https://security-tracker.debian.org/tracker/CVE-2013-1951
http://lists.fedoraproject.org/pipermail/package-announce/2013-April/104022.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-April/104027.html
http://security.gentoo.org/glsa/glsa-201310-21.xml

Get alerted when CVE-2013-1951 or the next vulnerability affects your stack