WordPress Best Books plugin through 2.6.3 is susceptible to SQL injection. The plugin does not sanitize and escape some parameters before using them in a SQL statement via an AJAX action. An attacker can possibly obtain sensitive information, modify data, and/or execute unauthorized administrative operations in the context of the affected site.
View the template here CVE-2022-0827.yaml
References:
https://wordpress.org/plugins/bestbooks/