The Total Upkeep – WordPress Backup Plugin plus Restore & Migrate by BoldGrid plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.14.9 via the env-info.php and restore-info.json files. This makes it possible for unauthenticated attackers to find the location of back-up files and subsequently download them.
https://wpscan.com/vulnerability/d35c19d9-8586-4c5b-9a01-44739cbeee19/
https://plugins.trac.wordpress.org/changeset/2439376/boldgrid-backup