Open redirect vulnerability in redirect.php in V-webmail 1.5.0 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the to parameter.
V-webmail 1.5.0 allows remote attackers to obtain sensitive information via (1) malformed input in the login page (includes/local.hooks.php) and (2) an invalid session ID, which reveals the installation path in an error message.