CVE-2026-83555

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...

WordPress Email Subscribers & Newsletters plugin < 5.9.35 - Unauthenticated Subscription Status Change vulnerability

Unauthenticated Subscription Status Change vulnerability discovered by Usama Arshad in WordPress Plugin Email Subscribers & Newsletters versions 5.9.35...