WordPress Asgaros Forum plugin before 1.15.13 is susceptible to SQL injection. The plugin does not validate and escape user input when subscribing to a topic before using it in a SQL statement. 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-2021-24827.yaml
References:
https://plugins.trac.wordpress.org/changeset/2611560/asgaros-forum