Description
Moodle 2.3.x before 2.3.1 uses only a client-side check for whether references are permitted in a file upload, which allows remote authenticated users to bypass intended alias (aka shortcut) restrictions via a client that omits this check.
Remediation
References
Related Vulnerabilities
Jboss EAP Permissions, Privileges, and Access Controls Vulnerability (CVE-2016-5406)
WordPress Plugin Minimal Coming Soon & Maintenance Mode-Coming Soon Page Open Redirect (1.85)
Drupal Other Vulnerability (CVE-2006-0070)
WordPress Plugin LifterLMS-WP LMS for eLearning, Online Courses, & Quizzes Security Bypass (3.34.5)