MasterStudy LMS < 3.0.18 - Unauthenticated Instructor Account Creation
CVE-2023-4278

7.5HIGH

Key Information:

Vendor
Wordpress
Status
Masterstudy Lms WordPress Plugin
Vendor
CVE Published:
11 September 2023

Badges

👾 Exploit Exists🟡 Public PoC

Summary

The MasterStudy LMS WordPress Plugin, prior to version 3.0.18, lacks adequate validation controls during the registration process. This flaw allows unauthenticated users to register as instructors, thereby gaining unauthorized access to functionalities that include adding courses and posts. The absence of proper access checks significantly heightens the risk of abuse, posing a threat to the integrity of sites utilizing this plugin.

Affected Version(s)

MasterStudy LMS WordPress Plugin 0 < 3.0.18

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-2023-4278 - Proof of Concept

CVE-2023-4278
Created by revan-ar

References

https://wpscan.com/vulnerability/cb3173ec-9891-4bd8-9d05-...
exploitvdb-entrytechnical-description
http://packetstormsecurity.com/files/175007/WordPress-Mas...

EPSS Score

8% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability Reserved

Credit

Revan Arifio
WPScan
.