CVE-2025-6593 "{{SITENAME}} registered email address has been changed" email sent to unverified email addresses

Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/user/User.Php. This issue affects MediaWiki: from 1.27.0 before 1.39.13, 1.42.7 1.43.2, 1.44.0...

Cuvva: No Notification Sent When Email Is Changed.

We weren't sending notifications when a customer changed the email address on their account. This meant it was less likely the customer would notice if this happened maliciously. A simple best practise issue...