Improper input validation vulnerability in EC-CUBE versions from 3.0.5 to 3.0.18 allows a remote attacker to cause a denial-of-service (DoS) condition via unspecified vector.

EC-CUBE provided by EC-CUBE CO.,LTD. contains a multi-factor authentication (MFA) bypass vulnerability. An attacker who has obtained a valid administrator ID and password may be able to bypass two-factor authentication and gain unauthorized access to the administrative page.

Improper restriction of rendered UI layers or frames in EC-CUBE versions from 3.0.0 to 3.0.18 leads to clickjacking attacks. If a user accesses a specially crafted page while logged into the administrative page, unintended operations may be conducted.

Cross-site scripting (XSS) vulnerability in EC-CUBE before 1.0.1a-beta allows remote attackers to inject arbitrary web script or HTML via unknown attack vectors.

Directory traversal vulnerability in EC-CUBE 3 series (EC-CUBE 3.0.0 to 3.0.18-p4 ) and EC-CUBE 4 series (EC-CUBE 4.0.0 to 4.1.2) allows a remote authenticated attacker with an administrative privilege to obtain the product's directory structure information.