WooCommerce released a CRITICAL VULNERABILITY in multiple Versions of WooCommerce Today!.
If you have WooCommerce installed on your WordPress Site, this affects YOU. Regardless if you are using it or not.
READ ANNOUNCEMENT: Developer Advisory: Critical Vulnerability in Multiple Versions of WooCommerce.
ACTION TO TAKE: You will need to upgrade to 5.5.1 as quickly as possible.
Are you a KartHost Managed WordPress (or EZWP Complete Customer, relax, we have you covered, we are taking care of this for you).
KartHost Security Team.