CVE-2025-67478
8.8
HIGH
CVSS 3.1
EPSS 0.01%
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.
How to fix CVE-2025-67478
To remediate CVE-2025-67478, upgrade the affected package to a fixed version below.
- Debian/mediawiki—upgrade to 1:1.35.13-1+deb11u6 or later
Is CVE-2025-67478 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:1.35.13-1+deb11u6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |