Litecart CMS 1.3.4 Cross Site Scripting

`Product: Litecart CMS  
Vendor: Litecart  
Vendor Homepage: https://www.litecart.net/  
Vulnerable Versions: 1.3.4 and probably prior  
Tested Version: 1.3.4  
Issue Reported: Feb 24, 2016  
Vendor Fix: Feb 28, 2016  
Public Disclosure: June 25, 2014  
Vulnerability Type: Cross-Site Scripting [CWE-79]  
Risk Level: Medium [Medium Risk]  
CVSSv2 Base Score: 4.3 (AV:N/AC:M/Au:N/C:P/I:N/A:N)  
Solution Status: Fixed by Vendor  
Discovered and Provided: Ravindra Singh Rathore  
  
  
Advisory Details:  
  
A Cross Site Scripting(XSS) vulnerability has been found in Litecart CMS  
  
1) Reflected Cross-Site Scripting (XSS) in Litecart-1.3.4  
  
The vulnerability exists due to insufficient sanitisation of user-supplied data in URI. A remote attacker can trick a logged-in user to open a specially crafted link and execute arbitrary HTML and script code in browser in context of the vulnerable website. Successful exploitation of the vulnerability may allow an attacker to change appearance of the web site, steal cookies of other users and forge check out pages. It is also possible to gain administrative access to the web site.  
  
Vulnerable URL - http://127.0.0.1/litecart-1.3.4/public_html/en/printable_order_copy  
Vulnerable Parameter - order_id  
  
The exploitation example below uses the "prompt()" JavaScript function to display user cookie:  
  
POC -  
http://127.0.0.1/litecart-1.3.4/public_html/en/printable_order_copy?order_id=1'>"></title><img+src=o+onerror=prompt(document.cookie)>&checksum=a3517a616d0a20360e772e4f9fcbcc76&media=print  
  
Here, checksum needs to be some valid checksum.  
  
  
  
=============  
--   
*Ravindra Singh Rathore*  
Facebook<http://www.facebook.com/ravindrasingh.kumpawat>  
Twitter<http://www.twitter.com/ravindra_hacks>  
LinkedIn<https://in.linkedin.com/in/ravindra-singh-rathore-8aa89236   
*======================================================================*  
`