The WP Import Export Lite WordPress plugin before 3.9.33 does not validate a path taken from stored, user-supplied data before recursively deleting the directory it resolves to, allowing users to whom an administrator has delegated a WP Import Export Lite WordPress plugin before 3.9.33 capability to delete arbitrary directories, and every file within them, including outside the web root.
https://wpscan.com/vulnerability/cf4c5303-4efe-40b3-9ec0-5e6406b5ec9f/