Magento Advance Tag Extension "tagcloud" Cross-Site Scripting Vulnerability


Description   MustLive has discovered a vulnerability in the Advance Tag extension for Magento, which can be exploited by malicious people to conduct cross-site scripting attacks.
Input passed via the "tagcloud" parameter to js/advancetag/tagcloud.swf (when "mode" is set to "tags") is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.
The vulnerability is confirmed in version 2.0.0. Other versions may also be affected.
     
Vulnerable Products   Vulnerable Software:
Advance Tag 2.x (extension for Magento)
     
Solution   Filter malicious characters and character sequences using a proxy.
     
CVE  
     
References   http://websecurity.com.ua/5356
     
Vulnerability Manager Detection   No
     
IPS Protection  
ASQ Engine alarm Available Since
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3.2.0
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3.2.0
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3.2.0
XSS - Prevention - GET : javascript code in flash clickTAG parameter
3.2.0
XSS - Prevention - GET : suspicious 'applet' tag found in URL
3.2.0
XSS - Phishing : suspicious 'div' tag found in URL
3.2.0
XSS - Prevention - GET : suspicious 'style' attribute found in URL
3.2.0
XSS - Prevention - GET : suspicious 'img' tag found in URL
3.2.0
XSS - Phishing : suspicious 'a' tag found in URL
3.2.0
XSS - Prevention - GET : cookie access attempt using script language found in URL
3.2.0
XSS - Prevention - GET : suspicious 'embed' tag found in URL
3.2.0
XSS - Prevention - GET : suspicious 'object' tag found in URL
3.2.0
XSS - Phishing : suspicious 'form' tag found in URL
3.2.0
XSS - Prevention - GET : javascript code found in URL
3.2.0
XSS - Prevention - GET : 'script' tag in flash clickTAG parameter
3.2.0
XSS - Prevention - GET : evasion attempt using tag characters encoding in URL
3.2.0
XSS - Prevention - GET : suspicious 'style' tag found in URL
3.2.0
XSS - Phishing : suspicious 'link' tag found in URL
3.2.0
XSS - Prevention - GET : 'script' tag found in URL
3.2.0
XSS - Prevention - GET : 'location' javascript object found in URL
3.2.0
XSS - Prevention - GET : suspicious 'div' tag found in URL
3.2.0
     


 
 
 
 
 Risk level 
Low 

 Vulnerability First Public Report Date 
2011-09-14 

 Target Type 
Server 

 Possible exploit 
Remote