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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Moodle | — | Upgrade to the latest version of Moodle | Apr 19, 2017 | Jun 1, 2015 |
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