[ CVE-2026-83555 · Published 23 Sep 2026 ]
Vulnerability in Unknown Email Subscribers & Newsletters
CVSS 5.3
EPSS <1%No fix listed yet
[ Description ]Official description
The Email Subscribers & Newsletters WordPress plugin before 5.9.35 does not verify the per-subscriber management token before changing a subscriber's subscription status, allowing unauthenticated users to force-unsubscribe or force-confirm an arbitrary subscriber whose email address they know.
[ 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.