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Subject: [FD] Wordpress Truemag Theme - Client Side Cross Site Scripting Web Vulnerability
From: Vulnerability Lab <research () vulnerability-lab ! com>
Date: 2016-04-29 9:42:39
Message-ID: 57232C8F.3040405 () vulnerability-lab ! com
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Document Title:
===============
Wordpress Truemag Theme - Client Side Cross Site Scripting Web Vulnerability
References (Source):
====================
http://www.vulnerability-lab.com/get_content.php?id=1839
Release Date:
=============
2016-04-29
Vulnerability Laboratory ID (VL-ID):
====================================
1839
Common Vulnerability Scoring System:
====================================
3.3
Product & Service Introduction:
===============================
CactusThemes is an experienced and passionate web design team with over 8 years working \
together designing and developing themes and plugins. Our goal is to create the best WordPress \
themes for education, event, news, etc. and meet all your needs.
(Copy of the Homepage: http://www.cactusthemes.com/#themes )
Abstract Advisory Information:
==============================
An independent vulnerability laboratory researcher discovered a client-side cross site \
scripting vulnerability in the official Wordpress Truemag Theme.
Vulnerability Disclosure Timeline:
==================================
2016-04-29: Public Disclosure (Vulnerability Laboratory)
Discovery Status:
=================
Published
Affected Product(s):
====================
CactusThemes
Product: Truemag Theme (Wordpress) - Theme (Web-Application) 2016 Q2
Exploitation Technique:
=======================
Remote
Severity Level:
===============
Medium
Technical Details & Description:
================================
A client-side cross site scripting web vulnerability has been discovered in the official \
Wordpress Truemag Theme web-application. The non-persistent vulnerability allows remote \
attackers to inject own malicious script code to client-side application to browser requests.
The client-side cross site vulnerability is located in the `s` value of the page module GET \
method request. Remote attackers are able to inject own malicious script codes to the \
client-side of the online service web-application to compromise user session information or \
data. The request method to execute is GET and the attack vector is non-persistent.
The security risk of the client-side web vulnerability is estimated as medium with a cvss \
(common vulnerability scoring system) count of 3.3. Exploitation of the non-persistent web \
vulnerability requires no privileged web application user account and low user interaction \
(click link). Successful exploitation of the vulnerability results in session hijacking, \
non-persistent phishing, non-persistent external redirects, non-persistent load of malicious \
script codes or non-persistent web module context manipulation.
Request Method(s):
[+] GET
Vulnerable Service(s):
[+] Truemag Theme (Wordpress)
Vulnerable Module(s):
[+] /wp-contact/theme/truemag
Vulnerable Parameter(s):
[+] s
Proof of Concept (PoC):
=======================
The remote cross site vulnerability can be exploited by remote attackers without privileged \
web-application user account and with low user interaction. For security demonstration or to \
reproduce the vulnerability follow the provided information and steps below to continue.
Dork(s):
inurl: /wp-contact/theme/truemag
PoC: Payload
"><marquee><font color=black \
size=15>%20<script>alert(document.cookie)</script></font></marquee>
PoC: Example
http://wp.localhost:8080/?s=[CLIENT SIDE CROSS SITE SCRIPTING VULNERABILITY!]
PoC: Exploitation
http://wp.localhost:8080/?s="><marquee><font color=black \
size=15>%20<script>alert(document.cookie)</script></font></marquee>
Reference(s):
http://wp.localhost:8080/?s=
Solution - Fix & Patch:
=======================
The vulnerability can be patched by a secure parse and encode of the vulnerable `s` value in \
the webpage GET method request. Encode the parameter and restrict the value input to prevent \
further script code injection attacks.
Security Risk:
==============
The security risk of the client-side cross site scripting web vulnerability in the vulnerbale \
`s` value is estimated as medium. (CVSS 3.3)
Credits & Authors:
==================
Iran Cyber Security Group - 0x3a (ICG SEC) [Iran-Cyber.Net] \
[http://www.vulnerability-lab.com/show.php?user=Iran%20Cyber%20Security] Special Thanks: root3r
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=========================
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