CVE-2026-103584 - Vulnerability Details - OpenCVE

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

This issue affects MediaWiki CommonsMetadata extension: 1.46, 1.45, and 1.43.

Attack Vector Network

Attack Complexity High

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.

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/I66c102cae36a9d499c95c37db7458371c7c87258
https://phabricator.wikimedia.org/T435999

History

Wed, 30 Sep 2026 22:30:00 +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 CommonsMetadata extension allows Cross-Site Scripting (XSS). This issue affects MediaWiki CommonsMetadata extension: 1.46, 1.45, and 1.43.
Title		attacker-controlled javascript license URL via XSS
Weaknesses		CWE-80
References		https://gerrit.wikimedia.org/r/q/I66c102cae36a9d499c95c37db7458371c7c87258 https://phabricator.wikimedia.org/T435999
Metrics		cvssV4_0 `{'score': 1.1, 'vector': 'CVSS:4.0/AV:N/AC:H/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:C/RE:M/U:Amber'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published: 2026-09-30T22:14:27.101Z

Updated: 2026-09-30T22:14:27.101Z

Reserved: 2026-09-30T22:09:46.952Z

Link: CVE-2026-103584

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-09-30T23:16:57.737

Modified: 2026-09-30T23:16:57.737

Link: CVE-2026-103584

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-80

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