CVE-2017-12156: Moodle

Medium severity, CVSS 6.1. EPSS: 1.1% chance of exploitation in the next 30 days.

Moodle 3.x has XSS in the contact form on the "non-respondents" page in non-anonymous feedback.

Affected products

• Moodle Moodle: version 3.0.0 only; version 3.0.1 only; version 3.0.2 only; version 3.0.3 only; version 3.0.4 only; version 3.0.5 only; …

Published 2017-09-18. Last modified 2026-06-17.