WordPress Comment Truncation Script Insertion Vulnerability


Description   Klikki has reported a vulnerability in WordPress, which can be exploited by malicious people to conduct script insertion attacks.
Certain input related to comments is not properly sanitised before being used. This can be exploited to insert arbitrary HTML and script code, which will be executed in a user's browser session in context of an affected site if malicious data is viewed.
The vulnerability is reported in versions prior to 4.2.1.
     
Vulnerable Products   Vulnerable Software:
WordPress 4.x
     
Solution   Update to version 4.2.1.
     
CVE   CVE-2015-3440
     
References   WordPress:
https://wordpress.org/news/2015/04/wordpress-4-2-1/
Klikki:
http://klikki.fi/adv/wordpress2.html
     
Vulnerability Manager Detection   No
     
IPS Protection  
ASQ Engine alarm Available Since
XSS - Prevention - POST : suspicious tag with event found in data
3.2.0
XSS - Prevention - POST : suspicious 'meta' tag found in data
3.2.0
XSS - Prevention - POST : suspicious 'object' tag found in data
3.2.0
XSS - Prevention - POST : suspicious 'applet' tag found in data
3.2.0
XSS - Prevention - POST : 'location' javascript object found in data
3.2.0
XSS - Prevention - POST : javascript code found in data
3.2.0
XSS - Prevention - POST : suspicious 'iframe' tag found in data
3.2.0
XSS - Prevention - POST : code allowing cookie access found in data
3.2.0
XSS - Prevention - POST : suspicious 'img' attribute found in data
3.2.0
XSS - Prevention - POST : suspicious 'embed' tag found in data
3.2.0
XSS - Prevention - POST : suspicious 'style' tag found in data
3.2.0
XSS - Prevention - POST : suspicious 'div' tag found in data
3.2.0
XSS - Prevention - POST : 'script' tag found in data
3.2.0
XSS - Prevention - POST : suspicious 'style' attribute found in data
3.2.0
XSS - Prevention - POST : suspicious 'style' tag found in data
5.0.0
XSS - Prevention - POST : javascript code found in data
5.0.0
XSS - Prevention - POST : suspicious tag with event found in data
5.0.0
XSS - Prevention - POST : suspicious 'embed' tag found in data
5.0.0
XSS - Prevention - POST : 'location' javascript object found in data
5.0.0
XSS - Prevention - POST : code allowing cookie access found in data
5.0.0
XSS - Prevention - POST : 'script' tag found in data
5.0.0
XSS - Prevention - POST : suspicious 'style' attribute found in data
5.0.0
XSS - Prevention - POST : suspicious 'applet' tag found in data
5.0.0
XSS - Prevention - POST : suspicious 'div' tag found in data
5.0.0
XSS - Prevention - POST : suspicious 'img' attribute found in data
5.0.0
XSS - Prevention - POST : suspicious 'meta' tag found in data
5.0.0
XSS - Prevention - POST : suspicious 'object' tag found in data
5.0.0
XSS - Prevention - POST : suspicious 'iframe' tag found in data
5.0.0
     


 
 
 
 
 Risk level 
Moderate 

 Vulnerability First Public Report Date 
2015-04-28 

 Target Type 
Client 

 Possible exploit 
Remote