Fast Secure 3.0.3.1 Cross Site Scripting

2011-08-18T00:00:00
ID PACKETSTORM:104136
Type packetstorm
Reporter High-Tech Bridge SA
Modified 2011-08-18T00:00:00

Description

                                        
                                            `Vulnerability ID: HTB23036  
Reference: http://www.htbridge.ch/advisory/xss_in_fast_secure_contact_form.html  
Product: Fast Secure Contact Form wordpress plugin  
Vendor: Mike Challis ( http://www.fastsecurecontactform.com )   
Vulnerable Version: 3.0.3.1 and probably prior  
Tested on: 3.0.3.1  
Vendor Notification: 27 July 2011   
Vulnerability Type: XSS (Cross Site Scripting)  
Status: Fixed by Vendor  
Risk level: Medium   
Credit: High-Tech Bridge SA Security Research Lab ( http://www.htbridge.ch/advisory/ )   
  
Vulnerability Details:  
High-Tech Bridge SA Security Research Lab has discovered vulnerability in Fast Secure Contact Form wordpress plugin, which can be exploited to perform cross-site scripting attacks.  
  
Input appended to the URL after /wp-content/plugins/si-contact-form/captcha/test/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 affected website.  
  
The following PoC code is available:  
  
http://[host]/wp-content/plugins/si-contact-form/captcha/test/index.php/%22%3E%3Cscript%3Ealert%28document.cookie%29;%3C/script%3E  
Solution: Upgrade to the most recent version  
`