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TI-2021-03943 Aliases CVE-2021-20717GHSA-c8mx-43cq-993w

Cross-site scripting in EC-CUBE

Priority LOW 32CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

Cross-site scripting vulnerability in EC-CUBE 4.0.0 to 4.0.5 allows a remote attacker to inject a specially crafted script in the specific input field of the EC web site which is created using EC-CUBE. As a result, it may lead to an arbitrary script execution on the administrator's web browser.

Why it matters now

EPSS 0.02308 83rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
EC-CUBE CO.,LTD.EC-CUBE4.0.0 to 4.0.5—No fix listedCNA
—ec-cube/ec-cube (Packagist)4.0.0 – 4.0.5—No fix listedGHSA-c8mx-43cq-993w
  • EC-CUBE VendorEC-CUBE CO.,LTD. Affected 4.0.0 to 4.0.5 Fixed in — No fix listed CNA
  • ec-cube/ec-cube (Packagist) Vendor— Affected 4.0.0 – 4.0.5 Fixed in — No fix listed GHSA-c8mx-43cq-993w

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:ec-cube:ec-cube:*:*:*:*:*:*:*:*4.0.0 to before 4.0.5VulnerableEC-CUBE CO.,LTD.
  • cpe:2.3:a:ec-cube:ec-cube:*:*:*:*:*:*:*:* Versions 4.0.0 to before 4.0.5 Vulnerable ·EC-CUBE CO.,LTD.

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-20717
  2. 2026-10-03 Alias added: GHSA-c8mx-43cq-993w

References

  • TI-2020-04559 Path traversal in EC-CUBE CVSS 3.1HIGH 8.1
  • TI-2023-25304 Code injection in EC-CUBE 4 series CVSS 3.1HIGH 7.2
  • TI-2021-04004 Improper access control vulnerability in EC-CUBE 4.0.6 (EC-CUBE 4 series) allows a remote… CVSS 3.1HIGH 7.5
  • TI-2020-04641 Improper input validation in EC-CUBE CVSS 3.1HIGH 7.5
  • TI-2008-04745 SQL injection vulnerability in LOCKON CO.,LTD. CVSS 2.0HIGH 7.5
  • TI-2008-04326 SQL injection vulnerability in EC-CUBE Ver2 2.1.2a and earlier, and Ver2 RC 2.3.0-rc1 and… CVSS 2.0HIGH 7.5
See all 24 →

Sources