CVE-2021-31567
Authenticated (admin+) Arbitrary File Download vulnerability discovered in Download Monitor WordPress plugin (versions <= 4.4.6). The plugin allows arbitrary files, including sensitive configuration files such as wp-config.php, to be downloaded via the &downloadable_file_urls[0] parameter data. It’s also possible to escape from the web server home directory and download any file within the OS.
Source: CVE-2021-31567