CVE-2026-103671
Quick assessment
Affected
EC-CUBE CO.,LTD. AmazonPay V2 Plugin (4.0/4.1 series)
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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
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I. Basic Information for CVE-2026-103671
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
对假设不可变Web参数的外部可控制
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| EC-CUBE CO.,LTD. | AmazonPay V2 Plugin (4.0/4.1 series) | v1.1.7 ~ v1.1.12 | - |
|
| EC-CUBE CO.,LTD. | AmazonPay V2 Plugin (4.0/4.1 series) | v1.0.0 ~ v1.1.6 | - |
|
| EC-CUBE CO.,LTD. | AmazonPay V2 Plugin (4.2/4.3 series, Bundle Edition) | v4.3.1 | - |
|
| EC-CUBE CO.,LTD. | AmazonPay V2 Plugin (4.2/4.3 series) | v4.2.3 ~ v4.3.1 | - |
|
| EC-CUBE CO.,LTD. | AmazonPay V2 Plugin (4.2/4.3 series) | v4.2.0 ~ v4.2.2 | - |
|
| EC-CUBE CO.,LTD. | AmazonPay Plugin (4.0 series) | 0 ~ v1.3.0 | - |
|
II. Public POCs for CVE-2026-103671
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-103671 (1)
Other References for CVE-2026-103671 (1)
IV. Related Vulnerabilities
Same weakness: CWE-472
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V. Comments for CVE-2026-103671
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