CVE-2025-61637

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files resources/src/mediawiki.Action/mediawiki.Action.Edit.Preview.Js, resources/src/mediawiki.Page.Preview.Js. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.

CVSS v3 4.8 MEDIUM

4.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.7 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://phabricator.wikimedia.org/T394856	Permissions Required

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mediawiki:mediawiki::::::::
	cpe:2.3:a:mediawiki:mediawiki::::::::
	cpe:2.3:a:mediawiki:mediawiki::::::::

History

16 Mar 2026, 18:35

Type	Values Removed	Values Added
Summary		(es) Neutralización Incorrecta de Entrada Durante la Generación de Páginas Web (XSS o 'cross-site scripting') vulnerabilidad en Wikimedia Foundation MediaWiki. Esta vulnerabilidad está asociada con archivos de programa resources/src/mediawiki.Action/mediawiki.Action.Edit.Preview.Js, resources/src/mediawiki.Page.Preview.Js. Este problema afecta a MediaWiki: desde * antes de 1.39.14, 1.43.4, 1.44.1.
References	~~() https://phabricator.wikimedia.org/T394856 -~~	() https://phabricator.wikimedia.org/T394856 - Permissions Required
First Time		Mediawiki Mediawiki mediawiki
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 4.8
CPE		cpe:2.3:a:mediawiki:mediawiki::::::::

03 Feb 2026, 00:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-03 00:16

Updated : 2026-03-16 18:35

NVD link : CVE-2025-61637

Mitre link : CVE-2025-61637

CVE.ORG link : CVE-2025-61637

JSON object : View

Products Affected

mediawiki

mediawiki

CWE

CWE-79

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

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