CVE-2018-0657 — Cross-site scripting vulnerability in EC-CUBE Payment Module and GMO-PG Payment Module (PG Multi-Payment Service) for EC-CUBE (EC-CUBE Payment Module (2.12) version 3.5.23 and earlier, EC-CUBE Payment Module (2.11) version 2.3.17 and earlier, GMO-PG Payment Module (PG Multi-Payment Service) (2.12) version 3.5.23 and earlier, and GMO-PG Payment Module (PG Multi-Payment Service) (2.11) version 2.3.17 and earlier) allow an attacker with administrator rights to inject arbitrary web script or HTML via unspecified vectors

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MEDIUM

Cross-site scripting vulnerability in EC-CUBE Payment Module and GMO-PG Payment Module (PG Multi-Payment Service) for EC-CUBE (EC-CUBE Payment Module (2.12) version 3.5.23 and earlier, EC-CUBE Payment Module (2.11) version 2.3.17 and earlier, GMO-PG Payment Module (PG Multi-Payment Service) (2.12) version 3.5.23 and earlier, and GMO-PG Payment Module (PG Multi-Payment Service) (2.11) version 2.3.17 and earlier) allow an attacker with administrator rights to inject arbitrary web script or HTML via unspecified vectors

Published Sep 7, 2018

4.8

MEDIUM

CVSS 3.0

EPSS 0.52%

Description

Cross-site scripting vulnerability in EC-CUBE Payment Module and GMO-PG Payment Module (PG Multi-Payment Service) for EC-CUBE (EC-CUBE Payment Module (2.12) version 3.5.23 and earlier, EC-CUBE Payment Module (2.11) version 2.3.17 and earlier, GMO-PG Payment Module (PG Multi-Payment Service) (2.12) version 3.5.23 and earlier, and GMO-PG Payment Module (PG Multi-Payment Service) (2.11) version 2.3.17 and earlier) allow an attacker with administrator rights to inject arbitrary web script or HTML via unspecified vectors.

Affected products

Vendor GMO Payment Gateway, Inc. Product n/a Default
n/a
- Version
  (EC-CUBE Payment Module (2.12) version 3.5.23 and earlier, EC-CUBE Payment Module (2.11) version 2.3.17 and earlier, GMO-PG Payment Module (PG Multi-Payment Service) (2.12) version 3.5.23 and earlier, and GMO-PG Payment Module (PG Multi-Payment Service) (2.11) version 2.3.17 and earlier)
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

GMO Payment Gateway, Inc.

n/a

Version	Status	Constraints
(EC-CUBE Payment Module (2.12) version 3.5.23 and earlier, EC-CUBE Payment Module (2.11) version 2.3.17 and earlier, GMO-PG Payment Module (PG Multi-Payment Service) (2.12) version 3.5.23 and earlier, and GMO-PG Payment Module (PG Multi-Payment Service) (2.11) version 2.3.17 and earlier)	affected	-

Remediation

No remediation recorded yet.

Metrics

0.52% 0.00518

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00518

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (9 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.52% (0.00518)	41.92th	v5 (v2026.06.15)
Sep 20, 2026	0.52% (0.00518)	43.03th	v5 (v2026.06.15)
Jul 20, 2024	0.05% (0.00054)	22.17th	v3 (v2023.03.01)
Jun 14, 2024	0.05% (0.00054)	22.70th	v3 (v2023.03.01)
Mar 7, 2023	0.05% (0.00054)	20.65th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Feb 4, 2022	0.89% (0.00885)	10.50th	v2 (v2022.01.01)
Feb 3, 2022	0.44% (0.00442)	10.76th	v5 (v2026.06.15)
Apr 14, 2021	0.44% (0.00442)	0.00th	v1

Weaknesses (1)

CWE-79

Cross-site Scripting (XSS)

References (1)

http://jvn.jp/en/jp/JVN06372244/index.html
third-party-advisoryx_refsource_JVNThird Party Advisory

Link	Providers	Tags
http://jvn.jp/en/jp/JVN06372244/index.html		third-party-advisoryx_refsource_JVNThird Party Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner jpcert

Published Sep 7, 2018

Updated Aug 5, 2024

Reserved Nov 27, 2017

Link CVE-2018-0657

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2018-0657

Red Hat

Severity n/a

Public date n/a

Links CVE-2018-0657