The Mega Addons For WPBakery Page Builder WordPress plugin before 4.3.0 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

The Mega Addons plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on the vc_saving_data function in versions up to, and including, 4.2.7. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to update the plugin's settings.

Cross-Site Request Forgery (CSRF) vulnerability in Topdigitaltrends Mega Addons For WPBakery Page Builder plugin <= 4.2.7 at WordPress.