Description In Moodle 3.x, the setting for blocked hosts list can be bypassed with multiple A record hostnames. Remediation References CVE-2018-1043 Related Vulnerabilities Django Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2018-6188) SharePoint CVE-2023-21744 Vulnerability (CVE-2023-21744) Magento XML Injection (aka Blind XPath Injection) Vulnerability (CVE-2022-34253) MySQL CVE-2014-0401 Vulnerability (CVE-2014-0401) CakePHP Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') Vulnerability (CVE-2006-5031) Severity Medium Classification CVE-2018-1043 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N Tags Missing Update Known Vulnerabilities