What is CVE-2024-5438?

CVE-2024-5438 is a medium-severity vulnerability in Themeum Tutor Lms, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2024-06-07.

How severe is CVE-2024-5438?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Themeum Tutor Lms

CVE-2024-5438

The Tutor LMS – eLearning and online course solution plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.7.1 via the 'attempt_delete' function due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Instructor-level access and above, to delete arbitrary quiz attempts.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2024-06-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.003 (25.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Themeum Tutor Lms
Themeum Tutor Lms – Elearning And Online Course Solution — versions 0

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

www.wordfence.com/threat-intel/vulnerabilities/id/00ec14d4-d97b-40b1-b61b-05e91… (Third Party Advisory)
plugins.trac.wordpress.org/browser/tutor/trunk/classes/Quiz.php (Product)
plugins.trac.wordpress.org/changeset/3098465/ (Patch)

Frequently asked questions

What is CVE-2024-5438?: CVE-2024-5438 is a medium-severity vulnerability in Themeum Tutor Lms, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2024-06-07.
How severe is CVE-2024-5438?: Medium severity. CVSS v3 base score is 4.3 out of 10.