Unauthorized Course Completion Vulnerability in Tutor LMS Plugin by WordPress
CVE-2025-13935

4.3MEDIUM

Key Information:

Vendor

WordPress
Status
Tutor Lms – Elearning And Online Course Solution
Vendor
CVE Published:
9 January 2026

What is CVE-2025-13935?

The Tutor LMS plugin for WordPress allows authenticated users with subscriber access or higher to mark courses as completed without proper enrollment verification. This oversight in the 'mark_course_complete' function poses a significant security risk, enabling unauthorized course completion across all versions up to and including 3.9.2. Users of the Tutor LMS should take immediate action to update and secure their installations to safeguard the integrity of their online courses.

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Deploy the Patch

Affected Version(s)

Tutor LMS – eLearning and online course solution * <= 3.9.2

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset/3422766/tuto...

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Supakiad S.
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