CVE-2025-67478

published 2026-02-03

CVE-2025-67478: Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files includes/Mail/UserMailer.Php. This issue affects…

Priority P3 47 high 8.8 CVSS 3.1

AV N AC L PR N UI R S U C H I H A H

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.

Affected

9 ranges

Vendor	Product	Version range	Fixed in
debian	mediawiki	< mediawiki 1:1.39.17-1~deb12u1 (bookworm)	mediawiki 1:1.39.17-1~deb12u1 (bookworm)
mediawiki	checkuser	—	—
mediawiki	checkuser	>= 1.39.0 < 1.39.14	1.39.14
mediawiki	checkuser	>= 1.43.0 < 1.43.4	1.43.4
mediawiki	mediawiki	>= 0 < 1:1.35.13-1+deb11u6	1:1.35.13-1+deb11u6
mediawiki	mediawiki	>= 0 < 1:1.39.17-1~deb12u1	1:1.39.17-1~deb12u1
mediawiki	mediawiki	>= 0 < 1:1.43.6+dfsg-1~deb13u1	1:1.43.6+dfsg-1~deb13u1
mediawiki	mediawiki	>= 0 < 1:1.43.6+dfsg-1	1:1.43.6+dfsg-1
wikimedia_foundation	checkuser	>= * < 1.39.14, 1.43.4, 1.44.1	1.39.14, 1.43.4, 1.44.1

CVSS provenance

nvd v3.1 8.8 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

nvd v4.0 0.0 NONE 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

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