Open Redirect in Moodle
CVE-2025-67852
A flaw was found in Moodle. An open redirect vulnerability in the OAuth login flow allows a remote attacker to redirect users to attacker-controlled pages after they have successfully authenticated. This occurs due to insufficient validation of redirect parameters, which could lead to phishing attacks or information disclosure.
Vulnerability class: Open Redirect
EPSS: 0.002 (13.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N.
Affected products
- Moodle — versions 5.1.0
Weakness classification (CWE)
References
- patrick@puiterwijk.org (x_refsource_REDHAT, Third Party Advisory, vdb-entry)
- patrick@puiterwijk.org (x_refsource_REDHAT, issue-tracking, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2025-67852?
- CVE-2025-67852 is a low-severity vulnerability in Moodle, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 3.5/10. Published 2026-02-03.
- How severe is CVE-2025-67852?
- Low severity. CVSS v3 base score is 3.5 out of 10.