PatchTheCVECVE-2018-0657: Cross-site scripting vulnerability in EC-CUBE Payment Module and GMO-PG Payment Module (PG Multi-Payment Servi
CVE-2018-0657 is a medium-severity flaw (CVSS 4.8) affecting ec-cube payment module, gmo-pg payment module. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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 administrato
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.8 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | Required |
| EPSS exploit chance | 0.5% (top 56%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2018-09-07 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2018-0657?
ec-cube payment module: upgrade to newer than 3.5.23; gmo-pg payment module: upgrade to newer than 3.5.23. Exact commands for each OS are on this page.
Is CVE-2018-0657 being exploited?
CVE-2018-0657 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2018-0657 affect?
CVE-2018-0657 affects ec-cube payment module, gmo-pg payment module. Severity is medium (CVSS 4.8). 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 earlie
How urgent is CVE-2018-0657?
Priority 28/100. No elevated risk signals yet.
Related CVEs
- CVE-2018-0658 HIGH 7.2 UPGRADE UPGRADE Input validation issue in EC-CUBE Payment Module (2.12) version 3.5.23 and earlier, EC-CUBE Payment Module (2.