LiveHelperChat 4.61 – Stored Cross Site Scripting (XSS) via Operator Surname

• CVE-2025-51397

Exploit Title:…

# Exploit Title: LiveHelperChat 4.61 – Stored Cross Site Scripting (XSS) via Operator Surname

# Date: 09/06/2025

# Exploit Author: Manojkumar J (TheWhiteEvil)

# Linkedin: https://www.linkedin.com/in/manojkumar-j-7ba35b202/

# Vendor Homepage: https://github.com/LiveHelperChat/livehelperchat/

# Software Link:

https://github.com/LiveHelperChat/livehelperchat/

# Version: <=4.61
# Patched Version: 4.61

# Category: Web Application

# Tested on: Mac OS Sequoia 15.5, Firefox

# CVE : CVE-2025-51397

# Exploit link: https://github.com/Thewhiteevil/CVE-2025-51397

A stored cross-site scripting (XSS) vulnerability in Live Helper Chat

version ≤ 4.61 allows attackers to execute arbitrary JavaScript by

injecting a crafted payload into the Operator Surname field. This payload

is stored and later executed when an admin or higher-privileged user views

the Recipients List where the attacker is listed as the Owner.

## Reproduction Steps:

1. Log in as an operator.

2. Navigate to your Operator Surname field.

3. Create new Operator Surname or Modify the Operator Surname, enter the

following payload:

“`

“>

“`

4. Save the changes.

5. This payload is stored and later executed when an admin or

higher-privileged user views the Recipients List where the attacker is

listed as the Owner.