CVE-2025-67478

NONE EPSS 22.1%

Published Feb 3, 20264mo ago · Modified Jun 17, 20261w ago

0.0 CVSS 4.0

Low

Published Feb 3, 2026 4mo ago

Last Modified Jun 17, 2026 1w ago

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 Details

Base Score

0.0

Exploitability

—

Impact

—

Vector string

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/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction P

Scope X

Threat Intelligence

EPSS Exploit Probability

22.1% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Affected Products 3

Vendor	Product	Version	Range
mediawiki	checkuser	*	≥1.39.0 – <1.39.14
mediawiki	checkuser	*	≥1.43.0 – <1.43.4
mediawiki	checkuser	1.44.0	any

References 1

phabricator.wikimedia.org https://phabricator.wikimedia.org/T385403

Broken Link

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.