EUVD-2026-66884

The Notifima WordPress plugin before 3.1.4 does not verify that the caller owns the subscription being modified on one of its REST endpoints in all versions up to, and including, 3.1.3, allowing authenticated attackers with Subscriber-level access to unsubscribe arbitrary customers from product...

CVE-2025-13079

The Popup Builder – Create highly converting, mobile friendly marketing popups. plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 4.4.2. This is due to the plugin generating predictable unsubscribe tokens using deterministic data. This makes it...

CVE-2025-59413 CubeCart Unauthorized Newsletter Unsubscription via force_unsubscribe Parameter

CubeCart is an ecommerce software solution. Prior to version 6.5.11, a logic flaw exists in the newsletter subscription endpoint that allows an attacker to unsubscribe any user without their consent. By changing the value of the forceunsubscribe parameter in the POST request to 1, an attacker can...