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 5.5.84 does not restrict its database table export action to authorized users, gating it only with a token that the WP Data Access WordPress plugin before 5.5.84 itself prints into the public pages on which it displays a table, allowing unauthenticated attackers to export the complete contents of any publicly displayed table, including columns and rows withheld from the display shown to visitors.
Unauthenticated SQL Injection in WP Data Access <= 5.5.70 versions.