Deactivate and delete. No reply from the vendor.
Rasi discovered and reported this Cross Site Request Forgery (CSRF) vulnerability in WordPress Mega Addons For WPBakery Page Builder Plugin. This could allow a malicious actor to force higher privileged users to execute unwanted actions under their current authentication. For example a password change which will then allow the malicious actor to login into the admin account. This vulnerability has not been known to be fixed yet.