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 contain an sql injection vulnerability in the External database enrolment plugin via course idnumber. Editing teachers can store a backslash-quote payload in idnumber that executes during scheduled sync on MySQL/MariaDB external databases, reading data and manipulating enrolment results.
Metrics
CVSS 3.1 5.9/10
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/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-enrol-database-sqli
- https://github.com/moodle/moodle
- https://github.com/moodle/moodle/blob/v5.3.0/public/enrol/database/lib.php#L527-L528
- https://github.com/moodle/moodle/blob/v5.3.0/public/enrol/database/lib.php#L918-L926
- https://github.com/moodle/moodle/blob/v5.3.0/public/enrol/database/lib.php#L971-L979
- https://www.vulncheck.com/advisories/moodle-through-5.3.0-5.2.4-5.1.8-5.0.11-and-4.5.15-sql-injection-via-enrol-database-course-idnumber
Timeline
- Published
- Oct 30, 2026
- Last modified
- Nov 4, 2026
- NVD status
- Awaiting Analysis