CVE-2012-6106
calendar/managesubscriptions.php in the Manage Subscriptions implementation in Moodle 2.4.x before 2.4.1 omits a capability check, which allows remote authenticated users to remove course-level calendar subscriptions by leveraging the student role and sending an iCalendar object.
Date published : 2013-01-27
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-37106