Unauthorized Content Publishing in MasterStudy LMS Plugin
CVE-2026-88845

4.3MEDIUM

Key Information:

Vendor

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-88845?

The MasterStudy LMS WordPress plugin prior to version 3.7.50 lacks necessary capability and nonce checks during an administrative maintenance action. This oversight allows any authenticated user, including those with the lowest privilege levels like subscribers, to create published content on the website under their own account. This vulnerability emphasizes the importance of robust authentication and access controls in web applications to prevent unauthorized actions.

Affected Version(s)

MasterStudy LMS WordPress Plugin 2.3.0 < 3.7.50

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-2026-88845 - Proof of Concept

References

https://wpscan.com/vulnerability/a1693fd3-7ba9-4a59-99ea-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
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

vuxvinh
WPScan
.