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Vulnerabilities

Vulnerability · CVE-2024-33939

Masteriyo LMS Plugin Authentication Bypass

Published Apr 30, 2024 · catalog updated Apr 28, 2026 · Masteriyo - LMS

Patch now

CVE-2024-33939 is in the CISA known-exploited catalog. Confirm Masteriyo - LMS against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Medium5.3
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
94.00%
Remediation
Remediation guidance
Affected products
vendor Masteriyo Masteriyo LMS · vendor masteriyo Masteriyo - LMS 0 ≤1.7.3

The Masteriyo LMS Plugin for WordPress is vulnerable to an insecure direct object reference that could allow unauthenticated adversaries to view other users course progress. Versions up to and including 1.7.3 are vulnerable via the REST API.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Masteriyo Masteriyo LMSversion unspecified
  • vendor masteriyo Masteriyo - LMS 0 ≤1.7.30 ≤1.7.3

How to fix CVE-2024-33939

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2024-33939 is in the CISA known-exploited catalog. Confirm Masteriyo - LMS against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with masteriyo Masteriyo - LMS 0 ≤1.7.3 0 ≤1.7.3. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 94.00%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

WordPress security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 30, 2024 · VulnCheck KEV

    Detected

    The Masteriyo LMS Plugin for WordPress is vulnerable to an insecure direct object reference that could allow unauthenticated adversaries to view other users course progress. Versions up to and including 1.7.3 are vulnerable via the REST API.

  2. Apr 30, 2024 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

  3. Apr 28, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2024-33939

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2024-54553

    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.

    euvd.enisa.europa.eu
  • VulnCheck KEVConfirmed exploitationCVE-2024-33939

    The Masteriyo LMS Plugin for WordPress is vulnerable to an insecure direct object reference that could allow unauthenticated adversaries to view other users course progress. Versions up to and including 1.7.3 are vulnerable via the REST API.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.