Description
The MoodleQuickForm class in lib/formslib.php in Moodle through 2.1.10, 2.2.x before 2.2.10, 2.3.x before 2.3.7, and 2.4.x before 2.4.4 does not properly handle a certain array-element syntax, which allows remote attackers to bypass intended form-data filtering via a crafted request.
Remediation
References
Related Vulnerabilities
MySQL Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2020-14641)
WordPress Plugin Publish to Schedule Cross-Site Scripting (4.5.4)
Oracle Application Server Other Vulnerability (CVE-2002-0565)
Drupal Permissions, Privileges, and Access Controls Vulnerability (CVE-2012-5651)