The WP Data Access WordPress plugin before 5.5.88 does not have authorisation and CSRF checks in one of its actions, allowing any authenticated user, such as a subscriber, to make the server open connections to arbitrary hosts and ports, including internal ones, and read back the outcome.

The WP Data Access WordPress plugin before 5.5.88 does not have authorisation and CSRF checks in one of its actions, allowing any authenticated user, such as a subscriber, to make the server open connections to arbitrary hosts and ports, including internal ones, and read back the outcome.