CVE-2025-6594CWE-79

XSS in Special:ApiSandbox

published February 2, 2026

CVSS v4.0
0.0
EPSS
0%
Percentile
23.1
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.Special.Apisandbox/ApiSandbox.Js.

This issue affects MediaWiki: from 1.27.0 before 1.39.13, 1.42.7 1.43.2, 1.44.0.

The record
Technical detail
CVSS v4.0
0.0 · NONE
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N
EPSS
0.00315 · 23.1th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-02-02T23:00Z
EPSS history
Timeline
  • 02 FEB 23:00Z
    XSS in Special:ApiSandbox
    cvelistv5