Tutor LMS <= 3.9.4 - Authenticated (Instructor+) Insecure Direct Object Reference

Authorization Bypass Through User-Controlled Key
CVE CVE-2025-47555
CVSS Medium (4.3)
Publicly Published January 2, 2026
Last Updated February 3, 2026
Researcher Supakiad S. (m3ez)
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, 3.9.4 due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Custom-level access and above, to perform an unauthorized action.

References

1 affected software package

Software Type Plugin
Software Slug tutor (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 3.9.4
Patched Version
  • 3.9.5
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