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BlackCat CMS 1.0.3 Cross Site Scripting Vulnerability

Author
High-Tech Bridge
Risk
[
Security Risk High
]
0day-ID
0day-ID-22589
Category
web applications
Date add
04-09-2014
CVE
CVE-2014-5259
Platform
php
Product: BlackCat CMS
Vendor: Black Cat Development
Vulnerable Version(s): 1.0.3 and probably prior
Tested Version: 1.0.3
Advisory Publication:  August 13, 2014  [without technical details]
Vendor Notification: August 13, 2014 
Vendor Patch: August 13, 2014 
Public Disclosure: September 3, 2014 
Vulnerability Type: Cross-Site Scripting [CWE-79]
CVE Reference: CVE-2014-5259
Risk Level: Medium 
CVSSv2 Base Score: 4.3 (AV:N/AC:M/Au:N/C:N/I:P/A:N)
Solution Status: Solution Available
Discovered and Provided: High-Tech Bridge Security Research Lab ( https://www.htbridge.com/advisory/ ) 

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Advisory Details:

High-Tech Bridge Security Research Lab discovered vulnerability in BlackCat CMS, which can be exploited to perform Cross-Site Scripting (XSS) attacks.


1) Reflected Cross-Site Scripting (XSS) in BlackCat CMS: CVE-2014-5259

The vulnerability exists due to insufficient sanitization of the "msg" HTTP GET parameter passed to "/modules/lib_jquery/plugins/cattranslate/cattranslate.php" script. A remote attacker can trick a logged-in user to open a specially crafted link and execute arbitrary HTML and script code in browser in context of the vulnerable website. Successful exploitation of the vulnerability may allow an attacker to steal sensitive information, alter website pages and perform phishing attacks.

The exploitation example below uses the "alert()" JavaScript function to display "immuniweb" word:

http://[host]/modules/lib_jquery/plugins/cattranslate/cattranslate.php?msg=%3Cscript%3Ealert%28/immuniweb/%29;%3C/script%3E

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Solution:

Apply vendor's patch:
http://forum.blackcat-cms.org/viewtopic.php?f=2&t=263

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