EmailKit – Email Customizer for WooCommerce & WP < 1.6.3 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Post Title Modification

Description

The EmailKit – Email Customizer for WooCommerce & WP plugin for WordPress is vulnerable to unauthorized data modification due to a missing capability check on the 'update_template_data' function in all versions up to, and including, 1.6.2. This makes it possible for authenticated attackers, with Subscriber-level access and above, to modify the title of any post on the site, including posts, pages, and custom post types.