CVE-2015-2266: Moodle

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

message/index.php in Moodle through 2.5.9, 2.6.x before 2.6.9, 2.7.x before 2.7.6, and 2.8.x before 2.8.4 does not consider the moodle/site:readallmessages capability before accessing arbitrary conversations, which allows remote authenticated users to obtain sensitive personal-contact and unread-message-count information via a modified URL.

Affected products

• Moodle Moodle: up to and including 2.5.9; 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 2015-06-01. Last modified 2026-06-17.