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


Reported on

Jan 26th 2022


LiveHelperChat is vulnerable to Stored XSS at the Name field in the Admin themes of System configuration.



Steps to reproduce

1.Login then go to Setting -> Live help configuration tab
2.Click on Admin themes in Visual settings for the admin section
3.Click New button and input payload {{constructor.constructor('alert(1)')()}} in the Name field
4.Click Save button then go to that theme by clicking on that theme name in the list


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. 4 months ago
Remigijus Kiminas validated this vulnerability 4 months ago
KhanhCM has been awarded the disclosure bounty
The fix bounty is now up for grabs
Remigijus Kiminas confirmed that a fix has been merged on bbfaa2 4 months ago
The fix bounty has been dropped
adminnewtheme.php#L1-L44 has been validated
adminthemeedit.php#L1-L55 has been validated
adminthemes.php#L1-L32 has been validated
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