Authorization Flaw in MasterStudy LMS Plugin for WordPress
CVE-2026-81195

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
Masterstudy Lms WordPress Plugin
Vendor
CVE Published:
2 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-81195?

The MasterStudy LMS plugin for WordPress prior to version 3.7.46 exhibits a significant authorization weakness, failing to implement necessary checks before revealing sensitive data. This vulnerability allows unauthenticated attackers to access detailed course enrollment information and progress of any registered users, potentially leading to privacy breaches and unauthorized data exposure.

Affected Version(s)

MasterStudy LMS WordPress Plugin 0 < 3.7.46

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-81195 - Proof of Concept

References

https://wpscan.com/vulnerability/513d2c6e-9b9e-432d-8106-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Abdullah Kareem
WPScan
.