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CVE-2025-51401 — LiveHelperChat <=4.61 - Stored Cross Site Scripting (XSS) via Operator Chat Name Field Triggers on Chat Owner Transfer | Kitploit
Tools/GitHubGitHub/thewhiteevil/cve-2025-51401
Vulnerability AnalysisExploitationWeb Application ExploitationWeb SecurityPenetration Testing
GitHubthewhiteevil/cve-2025-51401

CVE-2025-51401

LiveHelperChat <=4.61 - Stored Cross Site Scripting (XSS) via Operator Chat Name Field Triggers on Chat Owner Transfer

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Exploit Title: LiveHelperChat <=4.61 - Stored Cross Site Scripting (XSS) via Operator Chat Name Field Triggers on Chat Owner Transfer

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

Reference: https://livehelperchat.com/4.61v-security-fixes-724a.html

https://github.com/LiveHelperChat/livehelperchat/pull/2228/commits/2056503ad96e04467ec9af8d827109b9b9b46223

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://raw.githubusercontent.com/thewhiteevil/cve-2025-51401/HEAD/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.

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