Multiple cross-site scripting (XSS) vulnerabilities in PHPOpenChat 3.0.2 allow remote attackers to inject arbitrary web script or HTML via the (1) title or (2) content parameter to profile.php and profile_misc.php, (3) the profile fields in userpage.php, (4) subject or (5) body in mail.php, or (8) disinvited_chatter or (7) invited_chatter parameter to invite.php.