Moodle Exposure of Sensitive Information to an Unauthorized Actor Vulnerability - CVE-2015-5340
Moodle through 2.6.11 2.7.x before 2.7.11 2.8.x before 2.8.9 and 2.9.x before 2.9.3 does not consider the moodle/badges:viewbadges capability which allows remote authenticated users to obtain sensitive badge information via a request involving (1) badges/overview.php or (2) badges/view.php.