Plugin Vulnerability

Just got this warning notification from my ISP,

WP Engine summary of the vulnerability: This vulnerability allows any unauthenticated user to perform actions that only an administrator should be allowed to do.

This vulnerability’s information has been verified by Patchstack. Please note that questions related to this notification should be directed to Patchstack, the plugin author or the 3rd-party researcher for the most accurate information.

Resources providing further information on this vulnerability:

https://patchstack.com/database/vulnerability/meta-tag-manager/wordpress-meta-tag-manager-plugin-3-1-broken-access-control-vulnerability?_a_id=473