The WPshop 2 – E-Commerce plugin for WordPress is vulnerable to privilege escalation via account takeover in versions 2.0.0 to 2.6.0. This is due to the plugin not properly validating a user's identity prior to updating their details like email & password through the update() function. This makes it possible for authenticated attackers, with subscriber-level access and above, to change arbitrary user's passwords, including administrators, and leverage that to gain access to their account.
The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.