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CVE-2026-103671 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:4.7 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

CNA: [email protected]CVSS-B:4.7 MEDIUMVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://jvn.jp/en/jp/JVN43511918/	[email protected]	AdvisoryRemedy
https://www.ec-cube.net/news/detail.php?news_id=490	[email protected]	AdvisoryRemedyVendor

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-472	External Control of Assumed-Immutable Web Parameter	[email protected]

Affected Products

Product	Versions
EC-CUBE AmazonPay Plugin	>= 4.0, <= 4.1, >= 1.1.7, <= 1.1.12 >= 4.0, <= 4.1, >= 1.0.0, <= 1.1.6 >= 4.2, <= 4.3, >= 4.3.1, <= 4.3.1 >= 4.2, <= 4.3, >= 4.2.3, <= 4.3.1 >= 4.2, <= 4.3, >= 4.2.0, <= 4.2.2
CPE No CPEs found in CPE dictionary for this product. Remediation Upgrade: 1.3.1moderate effort Upgrade: 4.3.2moderate effort Upgrade: 4.3.1moderate effort Upgrade: 4.2.4moderate effort Upgrade: 4.2.3moderate effort Upgrade: 4.2.2moderate effort

Change History

2 change records found show changes

Date	Action	Recorded By
Oct 14, 2026	CVE Modified	CISA-ADP
Oct 14, 2026	New CVE Received	[email protected]