Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki WikiForum extension allows Stored XSS.

This issue affects MediaWiki WikiForum extension: master.

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Fixes

Solution

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Workaround

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History

Wed, 30 Sep 2026 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Wikimedia
Wikimedia mediawiki Wikiforum Extension
Vendors & Products Wikimedia
Wikimedia mediawiki Wikiforum Extension

Wed, 30 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 30 Sep 2026 16:45:00 +0000

Type Values Removed Values Added
Description Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki WikiForum extension allows Stored XSS. This issue affects MediaWiki WikiForum extension: master.
Title Stored XSS through system messages in WikiForum
Weaknesses CWE-80
References
Metrics cvssV4_0

{'score': 1.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P/S:N/AU:Y/R:U/V:D/RE:M/U:Amber'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published:

Updated: 2026-09-30T20:01:02.627Z

Reserved: 2026-09-30T15:41:01.270Z

Link: CVE-2026-103444

cve-icon Vulnrichment

Updated: 2026-09-30T18:47:06.872Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-30T17:16:43.177

Modified: 2026-09-30T21:17:09.180

Link: CVE-2026-103444

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-30T20:33:07Z

Weaknesses