Astra Pro < 4.3.2 - Authenticated(Contributor+) Remote Code Execution via Metabox

Description The Astra Pro Addon plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 4.3.1 via the ast-advanced-hook-php-code meta field. This makes it possible for authenticated attackers, with contributor access and above, to execute code on the server.