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...

CVE-2026-83555 Email Subscribers by Icegram Express < 5.9.35 - Unauthenticated Subscription Status Change via Missing Token Verification

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...

CVE-2026-83555

The Email Subscribers & Newsletters WordPress plugin (versions before 5.9.35 ) is vulnerable to an unauthenticated subscription status change . The root cause is a failure to verify the per-subscriber management token when updating subscription statuses. This allows unauthenticated users to force...