EC-CUBE 2.11.0 to 2.17.2-p1 contain a cross-site scripting vulnerability in "mail/template" and "products/product" of Management page. If this vulnerability is exploited, an arbitrary script may be executed on the web browser of the other administrator or the user who accessed the website using the product.

Cross-site scripting vulnerability in Contents Management of EC-CUBE 4 series (EC-CUBE 4.0.0 to 4.0.6-p2, EC-CUBE 4.1.0 to 4.1.2-p1, and EC-CUBE 4.2.0), EC-CUBE 3 series (EC-CUBE 3.0.0 to 3.0.18-p5), and EC-CUBE 2 series (EC-CUBE 2.11.0 to 2.11.5, EC-CUBE 2.12.0 to 2.12.6, EC-CUBE 2.13.0 to 2.13.5, and EC-CUBE 2.17.0 to 2.17.2) allows a remote authenticated attacker to inject an arbitrary script.

Cross-site request forgery (CSRF) vulnerability in EC-CUBE 2 series 2.11.0 to 2.17.1 allows a remote attacker to hijack the authentication of Administrator and delete Administrator via a specially crafted web page.

Improper access control in Management screen of EC-CUBE 2 series 2.11.2 to 2.17.1 allows a remote authenticated attacker to bypass access restriction and to alter System settings via unspecified vectors.