medium4.3
CVE-2025-3634
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| composer | moodle/moodle | >= 4.3.0-beta, < 4.3.12 | 4.3.12 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Moodle | Moodle | from 4.3.0 before 4.3.12 from 4.4.0 before 4.4.8 from 4.5.0 before 4.5.4 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://access.redhat.com/security/cve/CVE-2025-3634
- https://bugzilla.redhat.com/show_bug.cgi?id=2359707
- https://github.com/advisories/GHSA-qhc7-xhc2-7p7w
- https://nvd.nist.gov/vuln/detail/CVE-2025-3634
- https://github.com/moodle/moodle/commit/b0965139014b459c3cb96e4fff45af4d5e09e261
- https://moodle.org/mod/forum/discuss.php?d=467596