The WPCafe WordPress plugin before 3.0.18 does not correctly restrict access to a set of order-management REST endpoints because their permission callbacks return an incorrect type on failure, allowing unauthenticated users to disclose guest order information and to change the status of, or trash, any order.

The WPCafe WordPress plugin before 3.0.18 does not correctly restrict access to a set of order-management REST endpoints because their permission callbacks return an incorrect type on failure, allowing unauthenticated users to disclose guest order information and to change the status of, or trash, any order.