Vulnerability · Published Feb 3, 2026 · Assigned by fedora

CVE-2025-67852Moodle: moodle: open redirect vulnerability in oauth login flow allows redirection to malicious sites.

Low 3.5

In plain English

A low-severity open redirect in moodle. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)3.5Low
Exploit odds (30 days)0.3%top 82.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagistmoodle/moodle4.1.22GHSA-qv78-6gpp-hm68
Packagistmoodle/moodle4.4.12GHSA-qv78-6gpp-hm68
Packagistmoodle/moodle4.5.8GHSA-qv78-6gpp-hm68
Packagistmoodle/moodle5.0.4GHSA-qv78-6gpp-hm68
Packagistmoodle/moodle5.1.1GHSA-qv78-6gpp-hm68

Affected products (as reported)

VendorProductVersions
moodle 4.1.0 – before 4.1.224.4.0 – before 4.4.124.5.0 – before 4.5.85.0.0 – before 5.0.45.1.0 – before 5.1.1

Weakness: CWE-601 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N

References