CVE-2025-67478 — Foundation Checkuser vulnerability

5 documents5 sources
Severity
0.0N/ANVD
EPSS
0.0%
top 94.46%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Wikimedia Foundation CheckuserMediawikiDebian Mediawiki
Timeline
PublishedFeb 3

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.

CVSS 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

Affected Packages3 packages

▶CVEListV5wikimedia_foundation/checkuser* — 1.39.14, 1.43.4, 1.44.1
▶debiandebian/mediawiki< mediawiki 1:1.39.17-1~deb12u1 (bookworm)
▶Debianmediawiki/mediawiki< 1:1.35.13-1+deb11u6+3

🔴Vulnerability Details

2
GHSA
GHSA-rg4c-x95m-9m4f: Vulnerability in Wikimedia Foundation CheckUser↗2026-02-03
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OSV
CVE-2025-67478: Vulnerability in Wikimedia Foundation CheckUser↗2026-02-03
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📋Vendor Advisories

1
Debian
CVE-2025-67478: mediawiki - Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associate...↗2025
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🕵️Threat Intelligence

1
Wiz
CVE-2025-67478 Impact, Exploitability, and Mitigation Steps | Wiz↗
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