CVE-2011-4301

Name of the Vulnerable Software and Affected Versions Moodle versions 1.9.x through 1.9.13 Moodle versions 2.0.x through 2.0.4 Moodle versions 2.1.x through 2.1.1

Description The issue allows remote attackers to submit unexpected form content by modifying the values of constant fields. This is due to the MoodleQuickForm class in the Forms Library not recognizing Forms API setConstant operations.

Recommendations For Moodle versions 1.9.x through 1.9.13, update to version 1.9.14 or later. For Moodle versions 2.0.x through 2.0.4, update to version 2.0.5 or later. For Moodle versions 2.1.x through 2.1.1, update to version 2.1.2 or later.