[ CVE-2026-16264 · Published 23 Sep 2026 ]
Vulnerability in Unknown Newsletters
CVSS 6.5
EPSS <1%No fix listed yet
[ Description ]Official description
The Newsletters WordPress plugin before 4.18.1 does not perform an ownership check on some of its subscriber management actions, and issues a management session to unauthenticated visitors on request, allowing attackers to read any subscriber's personal data and overwrite any subscriber's record including their email address.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.