Moodle self enrollment available before completing second factor with MFA enabled
Impact
A security vulnerability was discovered in Moodle that allows students to enroll themselves in courses without completing all the necessary safety checks. Specifically, users can sign up for courses prematurely, even if they haven't finished two-step verification processes.
Source excerpt · OSVAffected packages
Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.
| Affected range | Recorded fix |
|---|---|
| From 4.3.0-beta before 4.3.12Ecosystem versions | 4.3.12 |
| From 4.4.0-beta before 4.4.8Ecosystem versions | 4.4.8 |
| From 4.5.0-beta before 4.5.4Ecosystem versions | 4.5.4 |
Version evidence: OSV · GHSA-qhc7-xhc2-7p7w
View original version evidence (33 explicit versions)
Original source description
A security vulnerability was discovered in Moodle that allows students to enroll themselves in courses without completing all the necessary safety checks. Specifically, users can sign up for courses prematurely, even if they haven't finished two-step verification processes.
References
- Security advisory nvd.nist.gov/vuln/detail/CVE-2025-3634
- Patch github.com/moodle/moodle/commit/b0965139014b459c3cb96e4fff45af4d5e09e261
- Security advisory access.redhat.com/security/cve/CVE-2025-3634
- Source reference bugzilla.redhat.com/show_bug.cgi
- Source reference github.com/moodle/moodle
- Source reference moodle.org/mod/forum/discuss.php