CVE-2025-6639 | BDVDB-2026-299397 Detail

themeumTutor LMS Pro

Description#

The Tutor LMS Pro – eLearning and online course solution plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 3.8.3 due to missing validation on a user controlled key when viewing and editing assignments through the tutor_assignment_submit() function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to view and edit assignment submissions of other students.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact low, availability impact none. Attack vector: network.

Weaknesses#

CWE-285 Improper Authorization

References#

Exploit#

No public exploit known

History#

Version 12025-10-25Record published in the CVE List.
Version 22026-04-08Most recent update recorded in the CVE List.

Published

Published: 2025-10-25
Last modified: 2026-04-08

Vendor information

Vendor: themeum
Product: Tutor LMS Pro

All themeum vulnerabilities

Score

5.4 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 7.5.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
<= 3.8.3
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.4 Medium

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

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

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).