CVE-2015-5336: Moodle

Medium severity, CVSS 5.4. EPSS: 0.9% chance of exploitation in the next 30 days.

Multiple cross-site scripting (XSS) vulnerabilities in the survey module in Moodle through 2.6.11, 2.7.x before 2.7.11, 2.8.x before 2.8.9, and 2.9.x before 2.9.3 allow remote authenticated users to inject arbitrary web script or HTML by leveraging the student role and entering a crafted survey answer.

Affected products

• Moodle Moodle: up to and including 2.6.11; version 2.7.0 only; version 2.7.1 only; version 2.7.2 only; version 2.7.3 only; version 2.7.4 only; …

Published 2016-02-22. Last modified 2026-06-17.