GHSA-f46j-r7q3-6cm2 · Severity: critical · Ecosystem: composer — Moodle SQL Injection vulnerability
In Moodle, an SQL injection risk was identified in the library fetching a user's recent courses.
Conclusion & alert: CVE-2021-36393 is rated High Risk (78.8/100): CVSS Critical severity, with high exploitation likelihood (EPSS 52.30%, 99th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +28.31% 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 | 23.99% | 52.30% | +28.31% |
| 2 | 2026-05-16 | 26.77% | 23.99% | -2.78% |
| 3 | 2026-03-04 | — | 26.77% | — |
Full EPSS history (46 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
GHSA-f46j-r7q3-6cm2 · Severity: critical · Ecosystem: composer — Moodle SQL Injection vulnerability
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2021-36393 medium priority: Ubuntu including 1 source packages (moodle), 7 status rows across 7 suites (bionic, focal, jammy, kinetic, trusty, upstream, xenial): DNE 3, needs-triage 3, ignored 1. | https://ubuntu.com/security/CVE-2021-36393 |
| URL | Tags |
|---|---|
| https://moodle.org/mod/forum/discuss.php?d=424798 | Patch Vendor Advisory |