CVE-2026-78139: Unknown Notifima

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

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 stock-alert notifications.

Affected products

• Unknown Notifima: before 3.1.4 (fixed in 3.1.4)

Published 2026-08-27. Last modified 2026-08-28.