CVE-2026-89333
Tutor LMS <= 4.0.8 - Insecure Direct Object Reference to Authenticated (Subscriber+) Sensitive Information Exposure via 'student_id' Parameter
- Published
- Updated
- Reserved
- Assigned by
- Wordfence
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.
Timeline
ID reserved
By Wordfence
- 8 days later
· 8 days later
Published
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| WordfenceCNA (assigner) | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVDNVD · Deferred | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.46% · top 60% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Weakness
Affected products
themeum · Tutor LMS – eLearning and online course solution
- affected ≤ 4.0.8
References (7)
- https://www.wordfence.com/threat-intel/vulnerabilities/id/244051ef-5357-4b16-b690-46c8fea56847?source=cve (opens in a new tab)
- https://plugins.trac.wordpress.org/browser/tutor/tags/4.0.8/templates/user-profile.php#L132 (opens in a new tab)
- https://plugins.trac.wordpress.org/browser/tutor/tags/4.0.8/templates/user-profile.php#L21 (opens in a new tab)
- https://plugins.trac.wordpress.org/browser/tutor/tags/4.0.8/templates/user-profile.php#L137 (opens in a new tab)
- https://plugins.trac.wordpress.org/browser/tutor/tags/4.0.8/classes/Utils.php#L2841 (opens in a new tab)
- https://plugins.trac.wordpress.org/browser/tutor/tags/4.0.8/classes/Template.php#L503 (opens in a new tab)
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3700174%40tutor&new=3700174%40tutor (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-89333)Record last updated .