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CVE-2025-67478

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Date: February 2, 2026

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.

Severity Score

Related Resources (3)

https://nvd.nist.gov/vuln/detail/CVE-2025-67478
https://phabricator.wikimedia.org/T385403
https://www.mend.io/vulnerability-database/CVE-2025-67478

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): NONE

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