OpenNewsletter 2.5 - 'Compose.php' Cross-Site Scripting

Cross-site scripting (XSS) vulnerability in compose.php in OpenNewsletter 2.5 and earlier allows remote attackers to inject arbitrary web script or HTML via the type parameter.

Cross-site scripting (XSS) vulnerability in compose.php in OpenNewsletter 2.5 and earlier allows remote attackers to inject arbitrary web script or HTML via the type parameter.