Authentication Bypass Using an Alternate Path or Channel vulnerability in masteriyo Masteriyo - LMS learning-management-system.This issue affects Masteriyo - LMS: from n/a through <= 1.7.3.
Conclusion & alert: CVE-2024-33939 is rated Moderate Risk (55.4/100): CVSS Medium severity, with high exploitation likelihood (EPSS 7.46%, 92th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +2.03% 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 | 2026-05-24 | 5.43% | 7.46% | +2.03% |
| 2 | 2026-05-22 | 4.08% | 5.43% | +1.36% |
| 3 | 2026-05-03 | — | 4.08% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.3 | 3.1 | MEDIUM |
|
3.9 | 1.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| themegrill | masteriyo | < 1.7.4 | cpe:2.3:a:themegrill:masteriyo:*:*:*:*:free:wordpress:*:* |