Cross-site scripting (XSS) vulnerability in the Cyber-Will Social-button Premium plugin before 1.1 for EC-CUBE 2.13.x allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
https://www.ec-cube.net/products/detail.php?product_id=799
http://www.cyber-will.co.jp/SA_JVN_78482127