Multiple cross-site scripting (XSS) vulnerabilities in SilverStripe before 2.3.5 allow remote attackers to inject arbitrary web script or HTML via (1) the CommenterURL parameter to PostCommentForm, and in the Forum module before 0.2.5 in SilverStripe before 2.3.5 allow remote attackers to inject arbitrary web script or HTML via (2) the Search parameter to forums/search (aka the search script).

SQL injection vulnerability in File::find (filesystem/File.php) in SilverStripe before 2.3.1 allows remote attackers to execute arbitrary SQL commands via the filename parameter.