Medium 6.5Published Sep 18, 2026

CVE-2026-89333Tutor LMS <= 4.0.8 - Insecure Direct Object Reference to Authenticated (Subscriber+) Sensitive Information Exposure via 'student_id' Parameter

Updated under an hour ago (Oct 26, 2026, 2:50 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for themeum Tutor LMS – eLearning and online course solution

Exploited in the last 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.

CVSS: 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-639
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Wordfence
NVD analysis: Deferred
Record last updated: Sep 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

themeum Tutor LMS – eLearning and online course solution themeum:tutor_lms_elearning_and_online_course_solution (from the name)	through 4.0.8	CNA record

References

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/244051ef-5357-4b16-b690-46c8fea56847?source=cve
https://plugins.trac.wordpress.org/browser/tutor/tags/4.0.8/templates/user-profile.php#L132
https://plugins.trac.wordpress.org/browser/tutor/tags/4.0.8/templates/user-profile.php#L21
https://plugins.trac.wordpress.org/browser/tutor/tags/4.0.8/templates/user-profile.php#L137
https://plugins.trac.wordpress.org/browser/tutor/tags/4.0.8/classes/Utils.php#L2841
https://plugins.trac.wordpress.org/browser/tutor/tags/4.0.8/classes/Template.php#L503
https://plugins.trac.wordpress.org/changeset?reponame=&old=3700174%40tutor&new=3700174%40tutor

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.