CVE-2018-14631: Moodle

Medium severity, CVSS 6.1. EPSS: 1.8% chance of exploitation in the next 30 days.

moodle before versions 3.5.2, 3.4.5, 3.3.8 is vulnerable to a boost theme - blog search GET parameter insufficiently filtered. The breadcrumb navigation provided by Boost theme when displaying search results of a blog were insufficiently filtered, which could result in reflected XSS if a user followed a malicious link containing JavaScript in the search parameter.

Affected products

• Moodle Moodle: from 3.3.0, before 3.3.8 (fixed in 3.3.8); from 3.4.0, before 3.4.5 (fixed in 3.4.5); from 3.5.0, before 3.5.2 (fixed in 3.5.2)

Published 2018-09-17. Last modified 2026-06-17.