GHSA-h9w8-4376-j344 · Severity: medium · Ecosystem: composer — Moodle does not properly validate module instance id
Moodle before 1.6.2 does not properly validate the module instance id when creating a course module object, which has unspecified impact and remote attack vectors.
Conclusion & alert: CVE-2006-4936 is rated High Risk (65.3/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.42%). Core evidence: EPSS rose +1.05% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.38% | 1.42% | +1.05% |
| 2 | 2025-05-12 | 0.33% | 0.38% | +0.05% |
| 3 | 2025-03-30 | — | 0.33% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
GHSA-h9w8-4376-j344 · Severity: medium · Ecosystem: composer — Moodle does not properly validate module instance id
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
low | CVE-2006-4936 low priority: Ubuntu including 1 source packages (moodle), 9 status rows across 9 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): not-affected 7, ignored 1, released 1. | https://ubuntu.com/security/CVE-2006-4936 |