Moodle Permissions Privileges and Access Controls Vulnerability - CVE-2014-0124
The identity-reporting implementations in mod/forum/renderer.php and mod/quiz/override_form.php in Moodle through 2.3.11 2.4.x before 2.4.9 2.5.x before 2.5.5 and 2.6.x before 2.6.2 do not properly restrict the display of e-mail addresses which allows remote authenticated users to obtain sensitive information by using the (1) Forum or (2) Quiz module.