The Infographic Maker WordPress plugin before 4.3.8 does not validate and escape the post_id parameter before using it in a SQL statement via the qcld_upvote_action AJAX action (available to unauthenticated and authenticated users), leading to an unauthenticated SQL Injection.
View the template here CVE-2022-0747.yaml
References:
https://github.com/ARPSyndicate/cvemon