The YayPricing WordPress plugin before 3.5.7 does not perform capability checks on several of its REST API routes, relying only on a shared nonce, allowing any authenticated user such as a subscriber to overwrite the store's pricing configuration and to disclose private coupon codes.

The YayPricing WordPress plugin before 3.5.7 does not perform capability checks on several of its REST API routes, relying only on a shared nonce, allowing any authenticated user such as a subscriber to overwrite the store's pricing configuration and to disclose private coupon codes.