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.
Fix
Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.
Change history 1
- First seenCVSS 6.0 · moodle projectNVD modified 2026-10-30 11:31
Affected (CPE criteria) 0
NVD has not attached CPE configurations yet.
References 6
- https://github.com/moodle/moodle/blob/v5.3.0/public/enrol/database/lib.php#L918-L926 technical-description
- https://github.com/moodle/moodle/blob/v5.3.0/public/enrol/database/lib.php#L971-L979 technical-description
- https://github.com/moodle/moodle/blob/v5.3.0/public/enrol/database/lib.php#L527-L528 technical-description
- https://abraxaslabs.tech/research/moodle-enrol-database-sqli third-party-advisory
- https://github.com/moodle/moodle product
- 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 third-party-advisory