Helpy 2.8.0 - Stored Cross-Site Scripting
|Name||Helpy 2.8.0 - Stored Cross-Site Scripting|
|Kind||Stored cross-site scripting (XSS)|
|Rule||010. Stored cross-site scripting (XSS)|
|CVSSv3 Base Score||7.1|
Helpy version 2.8.0 allows an unauthenticated remote attacker to exploit an XSS stored in the application. This is possible because the application does not correctly validate the attachments sent by customers in the ticket.
This vulnerability occurs because the application does not correctly validate the attachments sent by customers in the ticket.
To exploit this vulnerability, simply submit the following malicious HTML code as an attachment to the ticket.
<!DOCTYPE html> <html> <body> <script> alert(document.domain); </script> </body> </html>
Evidence of exploitation
Our security policy
We have reserved the ID CVE-2023-0357 to refer to this issue from now on.
Version: Helpy 2.8.0
Operating System: GNU/Linux
There is currently no patch available for this vulnerability.
The vulnerability was discovered by Carlos Bello from Fluid Attacks' Offensive Team.
Vendor page https://github.com/helpyio/helpy/