Is CVE-2026-103671 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-103671?

CVE-2026-103671 has a CVSS v3 severity of MEDIUM (4.7).

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CVE-2026-103671

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.