The Maintenance Page plugin for WordPress is vulnerable to Basic Information Exposure in all versions up to, and including, 1.0.8 via the REST API. This makes it possible for unauthenticated attackers to view post titles and content when the site is in maintenance mode.

The Maintenance Page plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the subscribedownload function hooked via AJAX action in all versions up to, and including, 1.0.8. This makes it possible for authenticated attackers, with subscriber access or higher, to download a csv containing subscriber emails.