CVE-2026-103444 - Vulnerability Details - OpenCVE

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.

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements Present

User Interaction Passive

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact Low

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

No data.

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://gerrit.wikimedia.org/r/q/I7849ef0f9c3eff48fd63e47e5b8affc3b25bb4dd
https://phabricator.wikimedia.org/T414227

History

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		https://gerrit.wikimedia.org/r/q/I7849ef0f9c3eff48fd63e47e5b8affc3b25bb4dd https://phabricator.wikimedia.org/T414227
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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MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published: 2026-09-30T16:23:56.008Z

Updated: 2026-09-30T16:23:56.008Z

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

Link: CVE-2026-103444

Vulnrichment

No data.

NVD

Status : Awaiting Analysis

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

Modified: 2026-09-30T17:31:44.573

Link: CVE-2026-103444

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-09-30T17:30:19Z

Weaknesses

CWE-80

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