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TI-2021-03976 Aliases CVE-2021-20750GHSA-vrpv-26fm-7vf7

Cross-site scripting in EC-CUBE

Priority LOW 30CWE-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
Fixed

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 EC-CUBE 3.0.0 to 3.0.18-p2 (EC-CUBE 3 series) and EC-CUBE 4.0.0 to 4.0.5-p1 (EC-CUBE 4 series) allows a remote attacker to inject an arbitrary script by leading an administrator or a user to a specially crafted page and to perform a specific operation.

Why it matters now

EPSS 0.01557 75th percentileScored 2026-11-07
Fix Fixed ec-cube/ec-cube (Packagist): 4.0.6

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-CUBEEC-CUBE 3.0.0 to 3.0.18-p2 (EC-CUBE 3 series) and EC-CUBE 4.0.0 to 4.0.5-p1 (EC-CUBE 4 series)—No fix listedCNA
—ec-cube/ec-cube (Packagist)3.0.0 – 3.0.18-p2—No fix listedGHSA-vrpv-26fm-7vf7
—ec-cube/ec-cube (Packagist)4.0.0 to before 4.0.64.0.6Patch availableGHSA-vrpv-26fm-7vf7
  • EC-CUBE VendorEC-CUBE CO.,LTD. Affected EC-CUBE 3.0.0 to 3.0.18-p2 (EC-CUBE 3 series) and EC-CUBE 4.0.0 to 4.0.5-p1 (EC-CUBE 4 series) Fixed in — No fix listed CNA
  • ec-cube/ec-cube (Packagist) Vendor— Affected 3.0.0 – 3.0.18-p2 Fixed in — No fix listed GHSA-vrpv-26fm-7vf7
  • ec-cube/ec-cube (Packagist) Vendor— Affected 4.0.0 to before 4.0.6 Fixed in 4.0.6 Patch available GHSA-vrpv-26fm-7vf7

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:ec-cube:ec-cube:*:*:*:*:*:*:*:*3.0.0 to before 3.0.18; 4.0.0 to before 4.0.5VulnerableEC-CUBE CO.,LTD.
cpe:2.3:a:ec-cube:ec-cube:3.0.18:-:*:*:*:*:*:*3.0.18VulnerableEC-CUBE CO.,LTD.
cpe:2.3:a:ec-cube:ec-cube:3.0.18:p1:*:*:*:*:*:*3.0.18 p1VulnerableEC-CUBE CO.,LTD.
cpe:2.3:a:ec-cube:ec-cube:4.0.5:-:*:*:*:*:*:*4.0.5VulnerableEC-CUBE CO.,LTD.
  • cpe:2.3:a:ec-cube:ec-cube:*:*:*:*:*:*:*:* Versions 3.0.0 to before 3.0.18; 4.0.0 to before 4.0.5 Vulnerable ·EC-CUBE CO.,LTD.
  • cpe:2.3:a:ec-cube:ec-cube:3.0.18:-:*:*:*:*:*:* Versions 3.0.18 Vulnerable ·EC-CUBE CO.,LTD.
  • cpe:2.3:a:ec-cube:ec-cube:3.0.18:p1:*:*:*:*:*:* Versions 3.0.18 p1 Vulnerable ·EC-CUBE CO.,LTD.
  • cpe:2.3:a:ec-cube:ec-cube:4.0.5:-:*:*:*:*:*:* Versions 4.0.5 Vulnerable ·EC-CUBE CO.,LTD.

Remediation

  • Fix · GHSA-vrpv-26fm-7vf7 ec-cube/ec-cube (Packagist) Fixed in 4.0.6 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-20750
  2. 2026-10-03 Alias added: GHSA-vrpv-26fm-7vf7

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