Masteriyo LMS – LMS Course Builder, Quizzes & Certificates <= 2.3.1 - Authenticated (Subscriber+) Insecure Direct Object Reference

2026-07-22 00:00

Celvex Group

Strategic Overview

Status

Patched in 2.3.2

Affected PluginMasteriyo LMS – LMS Course Builder, Quizzes & Certificates

Affected Version<= 2.3.1

CVSS4.3Medium

CVECVE-2026-65463

View all Masteriyo LMS – LMS Course Builder, Quizzes & Certificates vulnerabilities

Vulnerability Overview

The Masteriyo LMS – LMS Course Builder, Quizzes & Certificates plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.3.1 due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, to perform an unauthorized action.

Technical Analysis

REMEDIATION: Update to version 2.3.2, or a newer patched version --- IDENTIFIER: CWE-639 (Authorization Bypass Through User-Controlled Key) The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

External References

https://www.cve.org/CVERecord?id=CVE-2026-65463 https://www.wordfence.com/threat-intel/vulnerabilities/id/67ff1f6e-0bea-4e09-ac3d-727d13fcbfa1

CVSS Vector

4.3

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityLow
AvailabilityNone

This record contains material that is subject to copyright

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

https://www.cve.org/Legal/TermsOfUse

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

https://www.wordfence.com/wordfence-intelligence-terms-and-conditions/