An issue was discovered in MediaWiki 1.34.x before 1.34.4. On Special:Contributions, the NS filter uses unescaped messages as keys in the option key for an HTMLForm specifier. This is vulnerable to a mild XSS if one of those messages is changed to include raw HTML.
Advisories
Source ID Title
Debian DSA Debian DSA DSA-4767-1 mediawiki security update
EUVD EUVD EUVD-2022-5186 An issue was discovered in MediaWiki 1.34.x before 1.34.4. On Special:Contributions, the NS filter uses unescaped messages as keys in the option key for an HTMLForm specifier. This is vulnerable to a mild XSS if one of those messages is changed to include raw HTML.
Github GHSA Github GHSA GHSA-rj9p-8jxj-2ch4 MediaWiki Cross-site Scripting (XSS) vulnerability
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T15:40:36.959Z

Reserved: 2020-09-23T00:00:00

Link: CVE-2020-25812

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-09-27T21:15:12.563

Modified: 2024-11-21T05:18:49.167

Link: CVE-2020-25812

cve-icon Redhat

Severity : Moderate

Publid Date: 2020-09-27T00:00:00Z

Links: CVE-2020-25812 - Bugzilla

cve-icon OpenCVE Enrichment

No data.