I.Vulnerability Helm Hosting Control Panel Cross Site Scripting Vulnerability II.Vendor Web Host Automation Ltd. (www.webhostautomation.com) III.Affected Systems * Helm v3.2.8 (and probably previous versions). IV.About Helm is a multi-server management and hosting control system for Windows 2000 and 2003 based web hosts. V.Description Helm does not filter txtEmailAddress variable in forgotPassword.asp page. It's possible to inject malicious HTML and JavaScript codes to forgotPassword.asp page by modifying this variable. An example link provided below. VI.Exploit http://helm.example.com/forgotPassword.asp?txtEmailAddress=[XSS] VII.Vulnerability Status * Vulnerability discovered on 2006-01-10. * Vendor notified on 2006-01-10. VIII.Workarounds * Print txtEmailAddress variable using Server.HTMLEncode(). IX.Credits M.Neset KABAKLI Wakiza Software Technologies neset{at}wakiza{dot}com www.wakiza.com