CVE-2026-89333

MEDIUM 6.5

Tutor LMS <= 4.0.8 - Insecure Direct Object Reference to Authenticated (Subscriber+) Sensitive Information Exposure via 'student_id' Parameter

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-639
Vendor	themeum
Product	tutor lms – elearning and online course solution
Published	Sep 19, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

themeum / Tutor LMS – eLearning and online course solution

0 ≤ 4.0.8

References

NVD ↗ CVE.org ↗ EPSS Data ↗

Credits

Dthangws