Tutor LMS Pro – eLearning and online course solution <= 3.8.3 - Authenticated (Subscriber+) Insecure Direct Object Reference to View/Edit Other Assignments

Improper Authorization
CVE CVE-2025-6639
CVSS Medium (5.4)
Publicly Published October 24, 2025
Last Updated October 25, 2025
Researcher sergioframi
Description

The Tutor LMS Pro – eLearning and online course solution plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 3.8.3 due to missing validation on a user controlled key when viewing and editing assignments through the tutor_assignment_submit() function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to view and edit assignment submissions of other students.

References

1 affected software package

Software Type Plugin
Software Slug tutor-pro (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 3.8.3
Patched Version
  • 3.9.0
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