CVE-2026-103671External control of assumed-Immutable web parameter issue exists in EC-CUBE plugin (for EC-CUBE 4 series) "AmazonPay Plugin".
Updated under an hour ago ()
Does this affect you?
It affects EC-CUBE CO.,LTD. AmazonPay V2 Plugin (4.0/4.1 series) and 3 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 5.3 MEDIUM (v4.0, CNA)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
- Weakness (CWE)
- CWE-472
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- jpcert
- NVD analysis
- Deferred
- Record last updated
- Oct 14, 2026
- First seen by InfoSec Signals
- Oct 14, 2026
Affected products
EC-CUBE CO.,LTD. AmazonPay V2 Plugin (4.0/4.1 series) ec_cube:amazonpay_v2_plugin_4.0_4.1_series (from the name) | from v1.1.7 through v1.1.12 | CNA record |
EC-CUBE CO.,LTD. AmazonPay V2 Plugin (4.2/4.3 series, Bundle Edition) ec_cube:amazonpay_v2_plugin_4.2_4.3_series_bundle_edition (from the name) | v4.3.1 | CNA record |
EC-CUBE CO.,LTD. AmazonPay V2 Plugin (4.2/4.3 series) ec_cube:amazonpay_v2_plugin_4.2_4.3_series (from the name) | from v4.2.3 through v4.3.1 | CNA record |
EC-CUBE CO.,LTD. AmazonPay Plugin (4.0 series) ec_cube:amazonpay_plugin_4.0_series (from the name) | through v1.3.0 | CNA record |
References
- https://www.ec-cube.net/news/detail.php?news_id=490
- https://jvn.jp/en/jp/JVN43511918/
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.