Home/CVE/Cross-site scripting (XSS) vulnerability in includes/actions/InfoAction.php in MediaWiki before 1.21.9 and 1.22.x before
CVE

CVE-2014-2853

Cross-site scripting (XSS) vulnerability in includes/actions/InfoAction.php in MediaWiki before 1.21.9 and 1.22.x before

Cross-site scripting (XSS) vulnerability in includes/actions/InfoAction.php in MediaWiki before 1.21.9 and 1.22.x before 1.22.6 allows remote attackers to inject arbitrary web script or HTML via the sort key in an info action.

MEDIUM · CVSS 4.3 EPSS 0.00454
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

2
mediawiki<= 1.21.8
mediawikiall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Packagist mediawiki/core MEDIUM fixed in 1.21.9
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v2 (legacy) · cve@mitre.org
View on NVD
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 NVD29 Apr 2014 · 06:55 PM
🔗

References & Sources

9
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.wikimedia.org/pipermail/mediawiki-announce/2014-April/000149.html
http://secunia.com/advisories/58262Vendor Advisory
http://www.securityfocus.com/bid/67068
http://www.securitytracker.com/id/1030161
https://bugzilla.redhat.com/show_bug.cgi?id=1091967
https://bugzilla.wikimedia.org/show_bug.cgi?id=63251
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