External control of assumed-Immutable web parameter issue exists in EC-CUBE plugin (for EC-CUBE 4 series) "AmazonPay Plugin". If exploited, the user may be redirected to an arbitrary website during the ordering process. As a result, user's account information may be obtained.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact Low

Subsequent System Availability Impact None

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Ec-cube
  • Amazonpay V2 Plugin

No data.

No data.

References
Link Providers
https://jvn.jp/en/jp/JVN43511918/ cve-icon cve-icon
https://www.ec-cube.net/news/detail.php?news_id=490 cve-icon cve-icon
History

Tue, 27 Oct 2026 04:30:00 +0000

Type Values Removed Values Added
First Time appeared Ec-cube
Ec-cube amazonpay V2 Plugin
Vendors & Products Ec-cube
Ec-cube amazonpay V2 Plugin

Fri, 16 Oct 2026 00:30:00 +0000

Type Values Removed Values Added
Title Malicious URL Redirection via Immutable Parameter in EC‑CUBE AmazonPay Plugin

Thu, 15 Oct 2026 06:15:00 +0000

Type Values Removed Values Added
Title External Control of Immutable Parameter Allows Arbitrary URL Redirection in EC‑CUBE AmazonPay Plugin

Wed, 14 Oct 2026 15:45:00 +0000

Type Values Removed Values Added
Title External Control of Immutable Parameter Allows Arbitrary URL Redirection in EC‑CUBE AmazonPay Plugin

Wed, 14 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 14 Oct 2026 08:30:00 +0000

Type Values Removed Values Added
Description External control of assumed-Immutable web parameter issue exists in EC-CUBE plugin (for EC-CUBE 4 series) "AmazonPay Plugin". If exploited, the user may be redirected to an arbitrary website during the ordering process. As a result, user's account information may be obtained.
Weaknesses CWE-472
References
Metrics cvssV3_0

{'score': 4.7, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published: 2026-10-14T08:12:13.594Z

Updated: 2026-10-14T14:15:44.172Z

Reserved: 2026-10-09T05:17:55.110Z

Link: CVE-2026-103671

cve-icon Vulnrichment

Updated: 2026-10-14T14:15:40.368Z

cve-icon NVD

Status : Deferred

Published: 2026-10-14T09:17:22.030

Modified: 2026-10-15T20:39:32.067

Link: CVE-2026-103671

cve-icon Redhat

No data.