CVE-2025-67855

Medium

Description

A flaw was found in mooodle. A remote attacker could exploit a reflected Cross-Site Scripting (XSS) vulnerability in the policy tool return URL. This vulnerability arises from insufficient sanitization of URL parameters, allowing attackers to inject malicious scripts through specially crafted links. Successful exploitation could lead to information disclosure or arbitrary client-side script execution within the user's browser.

SeverityMedium
CVSS5.4
Exploit probability—
ProductMoodle
PublishedFeb 3, 2026
First seenFeb 3, 2026

How to fix

Update
  • moodle moodle4.1.22, 4.4.11, 4.5.8, 5.0.4 or later
  • moodle/moodle4.1.22, 4.4.12, 4.5.8, 5.0.4, 5.1.1 or later

Affected products

ProductAffected versionsFixed in
moodle moodlev < 4.1.22, 4.4.0 ≤ v < 4.4.11, 4.5.0 ≤ v < 4.5.8, 5.0.0 ≤ v < 5.0.4, 5.1.04.1.22, 4.4.11, 4.5.8, 5.0.4
moodle/moodlePackagistv < 4.1.22, 4.4.0-beta ≤ v < 4.4.12, 4.5.0-beta ≤ v < 4.5.8, 5.0.0-beta ≤ v < 5.0.4, 5.1.0-beta ≤ v < 5.1.14.1.22, 4.4.12, 4.5.8, 5.0.4, 5.1.1

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