CVE-2026-89333: Themeum Tutor Lms – Elearning And Online Course Solution

Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days.

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, 4.0.8 via the 'student_id' parameter due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with subscriber-level access and above, to disclose the email address and Tutor profile phone number of arbitrary WordPress users, including Administrators, by iterating over user IDs via the student_id parameter.

Affected products

• Themeum Tutor Lms – Elearning And Online Course Solution: up to and including 4.0.8

Published 2026-09-19. Last modified 2026-09-21.