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CVE-2025-61640

Stored XSS through system messages in Special:RecentChangesLinked (MW Core)

Published: Feb 2, 2026Updated: Feb 3, 2026 Sources: CVE List NVD BDUCWE-79
NVD MITRE
4.8CVSSMEDIUM
EPSS Score
0.2%
Top 88.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.Rcfilters/ui/RclToOrFromWidget.Js. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.

CVSS Vector Breakdown

AV:NAC:LC:LI:LA:N
Exploitability
AV:NAccess Vector
Network
AC:LAccess Complexity
Low
Impact
C:LConfidentiality
L
I:LIntegrity
L
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-79

Affected Products

Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
MediaWikiСообщество свободного программного обеспечения
On-premWeb App
Web & CMS Plugins / cms-core
MediaWikiWikimedia Foundation
On-premCMS Plugin
Web & CMS Plugins / cms-core
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
ооо «ред софт»commercialRUOperating Systemsaka red soft
wikimedia foundationoss-projectUSWeb & CMS Pluginsaka wikimedia

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://nvd.nist.gov/vuln/detail/CVE-2025-61640
nvd.nist.gov
https://phabricator.wikimedia.org/T402075
phabricator.wikimedia.org
https://redos.red-soft.ru/search/?iblock_id=24&q=CVE-2025-61640
redos.red-soft.ru
and 2 more references View all →

Timeline

Published
Feb 2, 2026
Last Updated
Feb 3, 2026

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