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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-89333
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-19 03:17:16 UTC
Updated2026-09-19 03:17:16 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from [email protected]

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

Problem Types: CWE-639 | CWE-639 CWE-639 Authorization Bypass Through User-Controlled Key

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
3.1CNADECLARED6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Themeum Tutor LMS ELearning And Online Course Solution affected 4.0.8 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/browser/tutor/tags/4.0.8/templates/user-profile.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/tutor/tags/4.0.8/templates/user-profile.php [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/244051ef-5357-4b16-b690-46c8f... [email protected] www.wordfence.com
plugins.trac.wordpress.org/changeset [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/tutor/tags/4.0.8/classes/Utils.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/tutor/tags/4.0.8/classes/Template.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/tutor/tags/4.0.8/templates/user-profile.php [email protected] plugins.trac.wordpress.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Dthangws (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-09-11T16:13:31.000ZVendor Notified
CNA2026-09-18T14:02:05.000ZDisclosed

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