The Royal Elementor Addons plugin for WordPress is vulnerable to insufficient access control in the 'wpr_fix_royal_compatibility' AJAX action in versions up to, and including, 1.3.59. This allows any authenticated user, including those with subscriber-level permissions, to deactivate every plugin on the site unless it is part of an extremely limited hardcoded selection. This also switches the site to the 'royal-elementor-kit' theme, potentially resulting in availability issues.

The Royal Elementor Addons plugin for WordPress is vulnerable to insufficient access control in the 'wpr_activate_required_plugins' AJAX action in versions up to, and including, 1.3.59. This allows any authenticated user, including those with subscriber-level permissions, to activate the 'contact-form-7', 'media-library-assistant', or 'woocommerce' plugins if they are installed on the site.

The Royal Elementor Addons plugin for WordPress is vulnerable to insufficient access control in the 'wpr_activate_required_theme' AJAX action in versions up to, and including, 1.3.59. This allows any authenticated user, including those with subscriber-level permissions, to activate the 'royal-elementor-kit' theme. If no such theme is installed doing so can also impact site availability as the site attempts to load a nonexistent theme.

The Royal Elementor Addons WordPress plugin before 1.3.56 does not have authorisation and CSRF checks when creating a template, and does not ensure that the post created is a template. This could allow any authenticated users, such as subscriber to create a post (as well as any post type) with an arbitrary title

The Royal Elementor Addons WordPress plugin before 1.3.56 does not have authorization and CSRF checks when deleting a template and does not ensure that the post to be deleted is a template. This could allow any authenticated users, such as subscribers, to delete arbitrary posts assuming they know the related slug.