Remedy according to <a href="https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-core/wordpress-core-611-unauthenticated-blind-server-side-request-forgery?asset_slug=wordpress" rel="nofollow">https://www.wordfence.com/threat-intel/vulnerabilities/wordp...</a> : Remediation - No known patch available, uninstall the affected software!