Authorization Bypass in MasterStudy LMS Plugin for WordPress
CVE-2026-81194

4.3MEDIUM

Key Information:

Vendor

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-81194?

The MasterStudy LMS WordPress Plugin prior to version 3.7.46 suffers from an authorization bypass, which allows authenticated users, including low-permission roles such as Subscribers, to access other instructors' sales records. This occurs when an attacker supplies another user's identifier, leading to potential data exposure and breach of privacy. Website administrators are advised to update to the latest version to mitigate this vulnerability.

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-2026-81194 - Proof of Concept

References

https://wpscan.com/vulnerability/727903d4-ce0f-4ab4-bbd4-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Abdullah Kareem
WPScan
.