LiveHelperChat 4.61 – Stored Cross Site Scripting (XSS) via the Chat Transfer Function
# Exploit Title: LiveHelperChat 4.61 - Stored Cross Site Scripting (XSS) via the Chat Transfer Function # 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-2025-51401 # Exploit link: https://github.com/Thewhiteevil/CVE-2025-51401 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 Chat Name Field Triggers on Chat Owner Transfer Functionality on Live Helper Chat. ## Reproduction Steps: 1. Log in as an operator. 2. Navigate to your operator settings page. 3. In the **Name** field, enter the following payload: ``` "><img src="https://www.exploit-db.com/exploits/52380/x" onerror="prompt(1);"> ``` 4. Save the changes. 5. Initiate a chat with a visitor. 6. Transfer the chat to another operator — the XSS payload executes in the receiving operator’s chat interface. |