CVE-2026-5465

The Booking for Appointments and Events Calendar – Amelia plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.1.3. This is due to the UpdateProviderCommandHandler failing to validate changes to the externalId field when a Provider Employe...

CVE-2026-5465 Amelia <= 2.1.3 - Insecure Direct Object Reference to Authenticated (Employee+) Privilege Escalation via 'externalId' Parameter

The Booking for Appointments and Events Calendar – Amelia plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.1.3. This is due to the UpdateProviderCommandHandler failing to validate changes to the externalId field when a Provider Employe...

CVE-2026-5465

Summary (technical): The Amelia Booking for Appointments and Events Calendar WordPress plugin (versions ≤ 2.1.3) is affected by an Insecure Direct Object Reference (IDOR) in the UpdateProviderCommandHandler. The handler does not validate ownership when a Provider (Employee) user updates their pro...