Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Api/ApiFormatXml.Php. This issue affects MediaWiki: from * before 1.39.16, 1.43.6, 1.44.3, 1.45.1.
https://phabricator.wikimedia.org/T401995
Source: Mitre, NVD
Published: 2026-02-03
Updated: 2026-04-14
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 9.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.00016