Cross-site Scripting (XSS) - Stored in livehelperchat/livehelperchat


Reported on

Feb 14th 2022


LiveHelperChat is vulnerable to Stored XSS at the Company name field (customer_company_nameValueParam parameter) in the Copyright settings tab of the Chat configuration page.



Steps to reproduce

1.Login then go to Chat configuration page (
2.Go to Copyright settings tab -> Site settings tab
2.In the Your company name - visible in bottom left corner field, input payload {{constructor.constructor('alert(1)')()}}
3.Click Update button then you will see the XSS popup will display. Moreover, when you go to the dashboard, the XSS popup will also display here.


This vulnerability has the potential to deface websites, result in compromised user accounts, and can run malicious code on web pages, which can lead to a compromise of the user’s device.

We are processing your report and will contact the livehelperchat team within 24 hours. 2 years ago
Remigijus Kiminas validated this vulnerability 2 years ago
KhanhCM has been awarded the disclosure bounty
The fix bounty is now up for grabs
Remigijus Kiminas marked this as fixed in 3.93v with commit 4d4f1d 2 years ago
The fix bounty has been dropped
This vulnerability will not receive a CVE
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