The Advanced Classifieds & Directory Pro Advanced Classifieds & Directory Pro WordPress plugin before 3.4.3 (<= 3.4.2) is vulnerable to unauthenticated sensitive information exposure via the AJAX action `acadp_public_custom_fields_listings`.
https://wpscan.com/vulnerability/657cb9f9-8be6-4841-b8a1-93d26a3d7984/