CVE-2015-3175: Moodle

Medium severity, CVSS 5.8. EPSS: 1.9% chance of exploitation in the next 30 days.

Multiple open redirect vulnerabilities in Moodle through 2.5.9, 2.6.x before 2.6.11, 2.7.x before 2.7.8, and 2.8.x before 2.8.6 allow remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via vectors involving an error page that links to a URL from an HTTP Referer header.

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.