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CVE-2026-11866 The Appointment Booking Plugin WordPress plugin before 5.6.3 does not validate a CSRF nonce on several state-changing…

Description

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 and versions

Product Affected versions Fixed in
Appointment Booking Plugin 5.6 earliest → < 5.6.3 5.6.3
The 7 CVEs of Appointment Booking Plugin →
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