CVE-2021-24177

In the default configuration of the File Manager WordPress plugin before 7.1, a Reflected XSS can occur on the endpoint /wp-admin/admin.php?page=wp_file_manager_properties when a payload is submitted on the User-Agent parameter. The payload is then reflected back on the web application response.

CVE-2018-16363

The mndpsingh287 File Manager plugin V2.9 for WordPress has XSS via the lang parameter in a wp-admin/admin.php?page=wp_file_manager request because set_transient is used in file_folder_manager.php and there is an echo of lang in lib\wpfilemanager.php.