This file is in a WordPress core location but is not distributed with this version of WordPress. This scan often includes files left over from a previous WordPress version, but it may also find files added by another plugin, files added by your host, or malicious files added by an attacker. 193 more similar files were found. <a href="https://www.wordfence.com/help/?query=scan-result-unknown-file-in-wordpress-core" target="_blank" rel="noopener noreferrer">Learn More</a>