CVE-2026-89333

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

Published: Sep 19, 2026Updated: Sep 21, 2026 Sources: CVE List NVDCWE-639

6.5MEDIUM

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:NIntegrity

None

A:NAvailability

None

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Weaknesses

CWE-639

Affected Products

themeum

commercial

Tutor LMS – eLearning and online course solution

Web & CMS Plugins

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Initial Access

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References

https://plugins.trac.wordpress.org/browser/tutor/tags/4.0.8/classes/Template.php#L503

plugins.trac.wordpress.org

https://plugins.trac.wordpress.org/browser/tutor/tags/4.0.8/classes/Utils.php#L2841

plugins.trac.wordpress.org

https://plugins.trac.wordpress.org/browser/tutor/tags/4.0.8/templates/user-profile.php#L132

plugins.trac.wordpress.org

and 4 more references View all →

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