The Everest Backup – WordPress Cloud Backup, Migration, Restore & Cloning Plugin plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.2.13 via the exposed process stats file during the backup process. This makes it possible for unauthenticated attackers to obtain an archive file name and download the site's backup.

The Freemius SDK, as used by hundreds of WordPress plugin and theme developers, was vulnerable to Cross-Site Request Forgery and Information disclosure due to missing capability checks and nonce protection on the _get_debug_log, _get_db_option, and the _set_db_option functions in versions up to, and including 2.4.2. Any WordPress plugin or theme running a version of Freemius less than 2.4.3 is vulnerable.

The Everest Backup WordPress plugin before 2.2.5 does not properly validate backup files to be uploaded, allowing high privilege users such as admin to upload arbitrary files on the server even when they should not be allowed to (for example in multisite setup)

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Everestthemes Everest Backup – WordPress Cloud Backup, Migration, Restore & Cloning Plugin.This issue affects Everest Backup – WordPress Cloud Backup, Migration, Restore & Cloning Plugin: from n/a through 2.1.9.