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


Reported on

Dec 25th 2021


The htmlspecialchars function does not escape special characters like single quote, and the $prefix parameter can lead to reflected XSS

Proof of Concept;})});%20alert(%27xss%27);//


XSS can have huge implications for a web application and its users. User accounts can be hijacked, change the html screen and insult the organization. Credentials could be stolen, sensitive data could be exfiltrated, and lastly, access to your client computers can be obtained.

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
laladee has been awarded the disclosure bounty
The fix bounty is now up for grabs
Remigijus Kiminas marked this as fixed with commit 8f6dda 2 years ago
The fix bounty has been dropped
2 years ago


The relevant commit did not fix the exact report. But further ones fixed and $prefix variable issues.

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