Description
Moodle 5.3.0, 5.2.0 through 5.2.4, 5.1.0 through 5.1.8, 5.0.0 through 5.0.11, and through 4.5.15 contains a path traversal vulnerability in the Blackboard question import format. Teachers with question import or lesson edit rights can upload a crafted zip with img src values containing ../ sequences, copying server files like config.php into their draft area.
Metrics
CVSS 3.1 6.5/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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; <= 4.5.15 |
References
- https://abraxaslabs.tech/research/moodle-blackboard-img
- https://github.com/moodle/moodle
- https://github.com/moodle/moodle/blob/v5.3.0/public/question/format/blackboard_six/formatbase.php#L128-L133
- https://www.vulncheck.com/advisories/moodle-through-5.3.0-5.2.4-5.1.8-5.0.11-and-4.5.15-blackboard-import-path-traversal
Timeline
- Published
- Oct 30, 2026
- Last modified
- Oct 30, 2026
- NVD status
- Awaiting Analysis