The Ultimate Addons for WPBakery Page Builder WordPress plugin before 3.21.4 does not perform a capability or nonce check before deleting a site's custom-uploaded icon font packs, allowing unauthenticated attackers to permanently delete all of a site's custom icon fonts with a single request.
https://wpscan.com/vulnerability/54e94f13-758d-4e05-9993-c72ea270e216/