CVE-2026-89333
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
References
- https://plugins.trac.wordpress.org/browser/tutor/tags/4.0.8/classes/Template.php#L503
- 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/templates/user-profile.php#L132
- 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/templates/user-profile.php#L21
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3700174%40tutor&new=3700174%40tutor
- https://www.wordfence.com/threat-intel/vulnerabilities/id/244051ef-5357-4b16-b690-46c8fea56847?source=cve
CWEs
CWE-639
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.