What’s Vulnerable › Vulnerabilities

CVE-2024-5438: Tutor LMS – eLearning and online course solution <= 2.7.1 - Authenticated (Instructor+) Insecure Direct Object Reference to Arbitrary Quiz Attempt Deletion

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-06-07 · updated 2026-06-17
• Weakness: CWE-639

Description

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.

Affected products

• themeum Tutor LMS – eLearning and online course solution: before 2.7.2 — fixed in 2.7.2

How to fix

Upgrade to a fixed version: themeum Tutor LMS – eLearning and online course solution 2.7.2. Check the vendor advisory for mitigations.

References

• https://plugins.trac.wordpress.org/browser/tutor/trunk/classes/Quiz.php#L1806
• https://plugins.trac.wordpress.org/changeset/3098465/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/00ec14d4-d97b-40b1-b61b-05e911f49bb0?source=cve
• https://plugins.trac.wordpress.org/browser/tutor/trunk/classes/Quiz.php#L1806
• https://plugins.trac.wordpress.org/changeset/3098465/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/00ec14d4-d97b-40b1-b61b-05e911f49bb0?source=cve

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