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

5.4
Improper Authorization
CVE CVE-2025-6639
CVSS 5.4 (Medium)
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.

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Vulnerability Details for Tutor LMS Pro

Software Type Plugin
Software Slug tutor-pro
Patched? Yes
Remediation Update to version 3.9.0, or a newer patched version
Affected Version
  • <= 3.8.3
Patched Version
  • 3.9.0

Recent vulnerabilities in Tutor LMS Pro

# Title CVE ID CVSS Researchers Date
1 Tutor LMS Pro <= 3.9.8 - Missing Authorization CVE-2026-25406 5.3 Phat RiO March 23, 2026
2 Tutor LMS Pro <= 3.9.5 - Authentication Bypass via Social Login CVE-2026-0953 9.8 Phat RiO March 9, 2026
3 Tutor LMS Pro <= 3.9.6 - Unauthenticated SQL Injection CVE-2026-22332 7.5 0xd4rk5id3 January 13, 2026
4 Tutor LMS Pro – eLearning and online course solution <= 3.7.0 - Authenticated (Tutor Instructor+) SQL Injection CVE-2025-6184 8.8 sergioframi August 12, 2025
5 Tutor LMS Pro <= 2.7.2 - Missing Authorization to Authenticated (Subscriber+) Insecure Direct Object Reference CVE-2024-5784 7.1 Thanh Nam Tran August 29, 2024
6 Tutor LMS Pro <= 2.7.0 - Missing Authorization to Privilege Escalation CVE-2024-4351 8.8 villu164 May 15, 2024
7 Tutor LMS Pro <= 2.7.0 - Missing Authorization CVE-2024-4222 7.3 villu164 May 15, 2024
8 Tutor LMS Pro <= 2.7.0 - Missing Authorization to SQL Injection CVE-2024-4352 8.8 villu164 May 15, 2024

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