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

Valid

Reported on

Jan 25th 2022

Description

Stored XSS is found in Settings>Live help configuration>Personal Theme>static content. Under the NAME field put a payload {{constructor.constructor('alert(1)')()}} while creating content, and you will see that the input gets stored, and every time the user visits, the payload gets executed.

Proof of Concept

alt text

Impact

Through this vulnerability, an attacker is capable to execute malicious scripts.

We are processing your report and will contact the livehelperchat team within 24 hours. a year ago

We have contacted a member of the livehelperchat team and are waiting to hear back a year ago

Remigijus Kiminas validated this vulnerability a year ago

shubh123-tri 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 9f5bc3 a year ago

The fix bounty has been dropped

This vulnerability will not receive a CVE

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