The Schreikasten WordPress plugin through 0.14.18 does not sanitise or escape the id GET parameter before using it in SQL statements in the comments dashboard from various actions, leading to authenticated SQL Injections which can be exploited by users as low as author
https://wpscan.com/vulnerability/a0787dae-a4b7-4248-9960-aaffabfaeb9f
https://codevigilant.com/disclosure/2021/wp-plugin-schreikasten/