The Bulk images optimizer: Resize, optimize, convert to webp, rename … plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'save_configuration' function in all versions up to, and including, 2.0.1. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update plugin options.
The product does not perform an authorization check when an actor attempts to access a resource or perform an action.