CVE-2025-67478

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files includes/Mail/UserMailer.Php.

This issue affects CheckUser: from * before 1.39.14, 1.43.4, 1.44.1.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected software

No affected versions have been published.

Timeline

Published
Feb 3, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2025-67478: High severity, CVSS 8.8 | Vulnix