WordPress Knews Multilingual Newsletters Plugin "ff" Cross-Site Scripting Vulnerability


Description   Sammy Forgit has discovered a vulnerability in the Knews Multilingual Newsletters plugin for WordPress, which can be exploited by malicious people to conduct cross-site scripting attacks.
Input passed via the "ff" parameter to wp-content/plugins/knews/wysiwyg/fontpicker/index.php 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 1.1.0. Other versions may also be affected.
     
Vulnerable Products   Vulnerable Software:
WordPress Knews Multilingual Newsletters Plugin 1.x
     
Solution   Update to version 1.1.1.
     
CVE  
     
References   Knews Multilingual Newsletters:
http://wordpress.org/extend/plugins/knews/changelog/
http://plugins.trac.wordpress.org/changeset/569277/knews
OpenSysCom:
http://www.opensyscom.fr/Actualites/wordpress-plugins-knews-multilingual-newsletters-xss-vulnerability.html
     
Vulnerability Manager Detection   No
     
IPS Protection  
ASQ Engine alarm Available Since
XSS - Prevention - GET : suspicious 'iframe' tag found in URL
3.2.0
XSS - Prevention - GET : suspicious 'meta' tag found in URL
3.2.0
XSS - Prevention - GET : suspicious tag with event found in URL
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 : 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 
2012-07-06 

 Target Type 
Server 

 Possible exploit 
Remote