CVE-2025-61637

MEDIUM

MediaWiki < 1.39.14, 1.43.4, 1.44.1 - Cross-Site Scripting in Edit Preview

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1
Core References

Scores

CVSS v3 4.8
EPSS 0.0001
EPSS Percentile 0.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (2)
mediawiki/mediawiki < 1.39.14
Wikimedia Foundation/MediaWiki < 1.39.14, 1.43.4, 1.44.1
Published Feb 03, 2026
Tracked Since Feb 18, 2026