CVE-2014-7831: Moodle

Medium severity, CVSS 4.0. EPSS: 1.7% chance of exploitation in the next 30 days.

lib/classes/grades_external.php in Moodle 2.7.x before 2.7.3 does not consider the moodle/grade:viewhidden capability before displaying hidden grades, which allows remote authenticated users to obtain sensitive information by leveraging the student role to access the get_grades web service.

Affected products

• Moodle Moodle: up to and including 2.4.11; version 2.5.0 only; version 2.5.1 only; version 2.5.2 only; version 2.5.3 only; version 2.5.4 only; …

Published 2014-11-24. Last modified 2026-06-17.