The Mintpay for WooCommerce WordPress plugin through 2.2.3 does not verify the authenticity of the payment callback it processes, allowing unauthenticated attackers to mark arbitrary orders as paid, to cancel arbitrary orders, and to disclose order details including customer contact information.

The Mintpay for WooCommerce WordPress plugin through 2.2.3 does not verify the authenticity of the payment callback it processes, allowing unauthenticated attackers to mark arbitrary orders as paid, to cancel arbitrary orders, and to disclose order details including customer contact information.