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    CVE-2026-30777

    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.

    Published:Mar 5, 2026
    Last Modified:Apr 16, 2026
    EPS:Mar 5, 2026
    EPSS Score:0.0009
    CVSS Score:6.5

    Affected Products

    Vendor
    Ec-cube
    Product
    Ec-cube
    Vendor
    Ec-cube
    Product
    Ec-cube 4.1 Series
    Vendor
    Ec-cube
    Product
    Ec-cube 4.2 Series
    Vendor
    Ec-cube
    Product
    Ec-cube 4.3 Series

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-127 Directory Indexing
    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    Related CVEs

    CVE-2024-41924 (CVSS 7.2) — Acceptance of extraneous untrusted data with trusted data vulnerability exists in EC-CUBE 4 series. If this vu…
    CVE-2023-46845 (CVSS 7.2) — EC-CUBE 3 series (3.0.0 to 3.0.18-p6) and 4 series (4.0.0 to 4.0.6-p3, 4.1.0 to 4.1.2-p2, and 4.2.0 to 4.2.2) …
    CVE-2023-40281 (CVSS 4.8) — EC-CUBE 2.11.0 to 2.17.2-p1 contain a cross-site scripting vulnerability in "mail/template" and "products/prod…
    CVE-2023-22838 (CVSS 5.4) — Cross-site scripting vulnerability in Product List Screen and Product Detail Screen of EC-CUBE 4.0.0 to 4.0.6-…
    CVE-2023-22438 (CVSS 5.4) — Cross-site scripting vulnerability in Contents Management of EC-CUBE 4 series (EC-CUBE 4.0.0 to 4.0.6-p2, EC-C…
    CVE-2023-25077 (CVSS 5.4) — Cross-site scripting vulnerability in Authentication Key Settings of EC-CUBE 4.0.0 to 4.0.6-p2, EC-CUBE 4.1.0 …
    CVE-2022-40199 (CVSS 2.7) — Directory traversal vulnerability in EC-CUBE 3 series (EC-CUBE 3.0.0 to 3.0.18-p4 ) and EC-CUBE 4 series (EC-C…
    CVE-2022-38975 (CVSS 5.4) — DOM-based cross-site scripting vulnerability in EC-CUBE 4 series (EC-CUBE 4.0.0 to 4.1.2) allows a remote atta…
    CVE-2022-25355 (CVSS 5.3) — EC-CUBE 3.0.0 to 3.0.18-p3 and EC-CUBE 4.0.0 to 4.1.1 improperly handle HTTP Host header values, which may lea…
    CVE-2021-20842 (CVSS 6.5) — Cross-site request forgery (CSRF) vulnerability in EC-CUBE 2 series 2.11.0 to 2.17.1 allows a remote attacker …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High