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Magento Product Attributes Cross Site Scripting Vulnerability

Author
Bosko Stankovic
Risk
[
Security Risk Medium
]
0day-ID
0day-ID-29964
Category
web applications
Date add
07-03-2018
Platform
php
Advisory Title: Magento Stored Cross-Site Scripting a Product Attributes
Advisory URL:   http://www.defensecode.com/advisories.php
Software:       Magento
Version:        Magento 2.0 prior to 2.0.18, Magento 2.1 prior to
                2.1.12, Magento 2.2 prior to 2.2.3
Vendor Status:  Vendor contacted, vulnerability fixed
Release Date:   06/03/2018
Risk:           MEDIUM



1. General Overview
===================
During the security audit of Magento Open Source 2 a stored cross-site
scripting vulnerability was discovered that could lead to administrator
account takeover by a lower privileged administrator, putting the
website customers and their payment information at risk.


2. Software Overview
====================
Magento is an ecommerce platform built on open source technology
which provides online merchants with a flexible shopping cart system,
as well as control over the look, content and functionality of their
online store. Magento offers powerful marketing, search engine
optimization, and catalog-management tools. It is a leading
enterprise-class eCommerce platform, empowering over 200,000
online retailers.

Homepage:
http://www.magento.com


3. Vulnerability Description
============================
During the security analysis of Magento Open Source 2 it was
discovered that there is a stored cross-site scripting vulnerability
present when an attribute value is set to a malicious JavaScript
payload and added to a product. The payload will execute whenever a
product is opened for editing, allowing a lower privileged admin
with access to products and attributes to attack a higher privileged
admin.


4. Solution
===========
Vendor fixed the reported security issues and released a new version.
All users are strongly advised to update to the latest available
version.


5. Credits
==========
Discovered by Bosko Stankovic (bosko@defensecode.com).


6. Disclosure Timeline
======================
22/11/2017   Vendor contacted through Bugcrowd platform
27/11/2017   Vendor responded
28/02/2018   Vulnerability fixed
06/03/2018   Advisory released

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