Cross-site scripting in ikimedia Foundation MediaWiki
Priority LOW 31CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
EPSS 0.01639 76th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| ikimedia Foundation | MediaWiki | before 1.19.5 and 1.20.x before 1.20.4 | — | No fix listed | CNA |
- MediaWiki Vendorikimedia Foundation Affected before 1.19.5 and 1.20.x before 1.20.4 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* | before 1.19.5; 1.20.0 to before 1.20.4 | Vulnerable | mediawiki |
| cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Linux |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
- cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* Versions before 1.19.5; 1.20.0 to before 1.20.4 Vulnerable ·mediawiki
- cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2013-1951
- 2026-10-03 Alias added: GHSA-6f76-xp7g-326v
References
Advisory 8
- https://security-tracker.debian.org/tracker/CVE-2013-1951
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2013-1951
- http://security.gentoo.org/glsa/glsa-201310-21.xml
- https://bugs.gentoo.org/show_bug.cgi?id=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://www.openwall.com/lists/oss-security/2013/04/16/12
- https://phabricator.wikimedia.org/T48084
Sources
- CVE-2013-1951 · CVE Program
- CVE-2013-1951 · NVD
- FIRST EPSS
- GHSA-6f76-xp7g-326v · GitHub Advisory Database · CC BY 4.0
- CVE-2013-1951 · Red Hat security data · CC BY 4.0
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