EC-CUBE Easy Blog for EC-CUBE4 is a component of the content management system from EC-CUBE Japan. EC-CUBE Easy Blog for EC-CUBE4 1.0.1 and earlier versions are vulnerable to cross-site request forgery, which stems from insufficient authentication of the source of HTTP requests. A remote, unauthenticated attacker could hijack the administratorβs authentication and delete blog posts or categories via a cleverly constructed page.