BackupPC 3.1.0 Cross Site Scripting

`Vulnerability ID: HTB22965  
Reference: http://www.htbridge.ch/advisory/multiple_xss_vulnerabilities_in_backuppc.html  
Product: BackupPC   
Vendor: Craig Barratt ( http://backuppc.sourceforge.net/ )   
Vulnerable Version: 3.1.0, perhaps 3.2.0 also vulnerable  
Vendor Notification: 14 April 2011   
Vulnerability Type: XSS (Cross Site Scripting)  
Status: Fixed by Vendor  
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 many scripts to properly sanitize user-supplied input. 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:  
  
  
http://host/index.cgi?action=browse&host=localhost&num=99999%22%3E%3Cscript%3Ealert%28123%29%3C/script%3E  
http://host/index.cgi?action=RestoreFile&host=localhost&num=1&share=%3Cscript%3Ealert%28234%29%3C/script%3E&dir=  
  
  
Solution: Upgrade to the most recent version  
`