Description
Moodle 4.2.0 through 4.5.15, 5.0.0 through 5.0.11, 5.1.0 through 5.1.8, 5.2.0 through 5.2.4, and 5.3.0 contain a missing capability check in the core_grades_get_gradeitems web service that allows enrolled students to view hidden grade items. Authenticated course users can call the AJAX or mobile web service to list hidden grade item ids, names, and categories that the gradebook conceals from them.
Metrics
CVSS 3.1 4.3/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NWeakness enumeration
Affected software
Source: the vendor's advisory (CNA). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Moodle Project | moodle | 5.3.0; >= 5.2.0, <= 5.2.4; >= 5.1.0, <= 5.1.8; >= 5.0.0, <= 5.0.11; >= 4.2.0, <= 4.5.15 |
References
- https://abraxaslabs.tech/research/moodle-grades-gradeitems
- https://github.com/moodle/moodle
- https://github.com/moodle/moodle/blob/v5.3.0/public/grade/classes/external/get_gradeitems.php#L74-L80
- https://www.vulncheck.com/advisories/moodle-through-5.3.0-5.2.4-5.1.8-5.0.11-and-4.5.15-missing-authorization-via-core-grades-get-gradeitems
Timeline
- Published
- Oct 30, 2026
- Last modified
- Oct 30, 2026
- NVD status
- Awaiting Analysis