CVE-2025-61640CWE-79

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

published February 2, 2026

CVSS v4.0
0.0
EPSS
0%
Percentile
16.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
0.0 · NONE
Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:A/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N
EPSS
0.00254 · 16.0th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-02-02T23:42Z
EPSS history
Timeline
  • 02 FEB 23:42Z
    Stored XSS through system messages in Special:RecentChangesLinked (MW Core)
    cvelistv5