Stored XSS Vulnerability in Queue Management System by CodeKernel
CVE-2020-37240

5.1MEDIUM

Key Information:

Vendor

Codekernel

Status
Queue Management System
Vendor
CVE Published:
16 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-37240?

Queue Management System version 4.0.0 contains a vulnerability that allows authenticated administrators to exploit stored cross-site scripting (XSS). This issue arises when malicious users can inject JavaScript code via the First Name, Last Name, and Email fields during the user creation process. The injected scripts execute when the User List page is accessed, potentially compromising user data and system integrity.

Affected Version(s)

Queue Management System 4.0.0

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-2020-37240 - Proof of Concept

References

https://www.exploit-db.com/exploits/49296
exploit
http://codekernel.net/
product
https://codecanyon.net/item/queue-management-system/22029961
product

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Kislay Kumar
.