The WP STAGING and WP STAGING Pro plugins for WordPress are vulnerable to Sensitive Information Exposure in versions up to, and including, 3.4.3, and versions up to, and including, 5.4.3, respectively, via the ajaxSendReport function. This makes it possible for unauthenticated attackers to extract sensitive data from a log file, including system information and (in the Pro version) license keys. Successful exploitation requires an administrator to have used the 'Contact Us' functionality along with the "Enable this option to automatically submit the log files." option.

The WP STAGING WordPress Backup Plugin WordPress plugin before 3.4.0, wp-staging-pro WordPress plugin before 5.4.0 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)