CVE-2026-91847 – The Online Scheduling and Appointment Booking System WordPress plugin before 28.2 does no

The Online Scheduling and Appointment Booking System WordPress plugin before 28.2 does not verify that the requester owns the AI booking-assistant conversation named in its unauthenticated conversation actions, allowing any unauthenticated visitor to read another visitor’s assistant messages and to inject messages into their in-progress conversation.