CVE-2019-3847: Moodle

Medium severity, CVSS 4.8. EPSS: 2.2% chance of exploitation in the next 30 days.

A vulnerability was found in moodle before versions 3.6.3, 3.5.5, 3.4.8 and 3.1.17. Users with the "login as other users" capability (such as administrators/managers) can access other users' Dashboards, but the JavaScript those other users may have added to their Dashboard was not being escaped when being viewed by the user logging in on their behalf.

Affected products

• Moodle Moodle: before 3.1.17 (fixed in 3.1.17); from 3.4.0, before 3.4.8 (fixed in 3.4.8); from 3.5.0, before 3.5.5 (fixed in 3.5.5); from 3.6.0, before 3.6.3 (fixed in 3.6.3)

Published 2019-03-27. Last modified 2026-06-17.