The Admin and Customer Messages After Order for WooCommerce: OrderConvo plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the getorderbyid() function in all versions up to, and including, 14. This makes it possible for unauthenticated attackers to view sensitive WooCommerce order details and private conversation messages between customers and store administrators for any order by supplying an arbitrary order ID.

The Admin and Customer Messages After Order for WooCommerce: OrderConvo plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 14. This is due to a flawed permission check in the REST API permission callback that returns true when no nonce is provided. This makes it possible for unauthenticated attackers to impersonate any WordPress user and inject arbitrary messages into any WooCommerce order conversation by directly calling the REST endpoint with controlled userid, orderid, and context parameters.

The Admin and Customer Messages After Order for WooCommerce: OrderConvo plugin for WordPress is vulnerable to limited file uploads due to insufficient file type validation in the uploadfile() function in all versions up to, and including, 13.2. This makes it possible for authenticated attackers, with Subscriber-level access and above, to upload files on the affected site's server which may make remote code execution possible and is confirmed to make Cross-Site Scripting possible.