medium5.4
CVE-2026-11866
The Appointment Booking Plugin WordPress plugin before 5.6.3 does not validate a CSRF nonce on several state-changing actions handled by its central request di…
Impact
The Appointment Booking Plugin WordPress plugin before 5.6.3 does not validate a CSRF nonce on several state-changing actions handled by its central request dispatcher, allowing attackers to perform privileged actions, such as overwriting the booking-form configuration or disconnecting the connected payment gateway, via Cross-Site Request Forgery against a logged-in administrator.
Affected products
| Product | Affected versions |
|---|---|
| Appointment Booking Plugin WordPress Plugin | before 5.6.3 |
Versions were read from the advisory text. No structured product data has been published for this record yet.