The Security/changepassword URL action in SilverStripe 2.3.x before 2.3.10 and 2.4.x before 2.4.4 passes a token as a GET parameter while changing a password through email, which allows remote attackers to obtain sensitive data and hijack the session via the HTTP referer logs on a server, aka "HTTP referer leakage."

Cross-site scripting (XSS) vulnerability in admin/EditForm in SilverStripe 2.4.6 allows remote authenticated users with Content Authors privileges to inject arbitrary web script or HTML via the Title parameter. NOTE: some of these details are obtained from third party information.

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 SilverStripe before 2.2.2 allows remote attackers to execute arbitrary SQL commands via unspecified vectors related to AjaxUniqueTextField.

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.

Unspecified vulnerability in the search functionality in SilverStripe 2.0.0 has unknown impact and attack vectors.