6.5Medium

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

themeum Tutor LMS – eLearning and online course solution Published: 2026-09-19 05:27 (1 month ago)

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.

Weakness (CWE): CWE-639

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

Vendor	Product	Versions
themeum	Tutor LMS – eLearning and online course solution	≤ 4.0.8

References and patches

CVSS score

6.5Medium

Source: Wordfence · CVSS 3.1

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

All scores (2)

cna	CVSS 3.1	6.5Medium
security@wordfence.com	CVSS 3.1	6.5Medium

EPSS (chance of exploitation in 30 days)

0.46%

higher than 41% of all CVEs

CISA assessment (SSVC)

Exploitation: none
Automatable: no
Technical impact: partial

Timeline

ID reserved2026-09-11
Published2026-09-19 05:27
Reached IP-DB2026-10-24 23:50
Last updated2026-09-21 16:33

Assigned by (CNA): Wordfence
NVD status: Deferred

View at source: CVE.org · NVD

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