CVE-2025-67478

Wrong E-Mail address composition for usernames with a comma and Umlauts in it like "Döe, Jähn"

published February 3, 2026

CVSS v4.0
0.0
EPSS
0%
Percentile
27.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
0.0 · NONE
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/E:U
EPSS
0.00354 · 27.9th percentile
Published
2026-02-03T01:14Z
EPSS history
Timeline
  • 03 FEB 01:14Z
    Wrong E-Mail address composition for usernames with a comma and Umlauts in it like "Döe, Jähn"
    cvelistv5