The WP Fastest Cache WordPress plugin before 0.9.5 does not escape user input in the set_urls_with_terms method before using it in a SQL statement, leading to an SQL injection exploitable by low privilege users such as subscriber
https://wpscan.com/vulnerability/b2233795-1a32-45fc-9d51-b6bd0a073f5b/
https://jetpack.com/2021/10/14/multiple-vulnerabilities-in-wp-fastest-cache-plugin/