source: https://www.securityfocus.com/bid/15350/info
   
PHPList is prone to multiple input validation vulnerabilities. These issues are due to a failure in the application to properly santize user-supplied input.
   
The application is prone to multiple cross-site scripting, HTTP injection, SQL injection and directory traversal vulnerabilities. 

http://www.example.com/lists/admin/?page=configure&id="><script>alert(document.cookie)</script>