The Squeeze WordPress plugin before 1.8.1 does not perform a capability check on one of its AJAX actions, allowing authenticated users with a role as low as Subscriber to revert any attachment to its backup copy and to permanently delete that backup and the plugin's generated WebP derivatives, regardless of ownership.
Get the CyboWatch SIEM platform, hosting, and 24×7 SOC analysts. Send an enquiry, or call or email us to get started.