Cross-site scripting (XSS) vulnerability in lostBook 1.1 and earlier allows remote attackers to inject arbitrary web script via the (1) Email or (2) Website fields.
Fusion News 3.6.1 allows remote attackers to add user accounts, if the administrator is logged in, via a comment that contains an img bbcode tag that calls index.php with the signup action, which is executed when the administrator's browser loads the page with the img tag.