Cross-site scripting in EC-CUBE
Priority LOW 29CWE-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 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 0.01088 65th 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| EC-CUBE CO.,LTD. | EC-CUBE | EC-CUBE 4.0.0 to 4.0.5-p1 (EC-CUBE 4 series) | — | No fix listed | CNA |
| — | ec-cube/ec-cube (Packagist) | 4.0.0 to before 4.0.6 | 4.0.6 | Patch available | GHSA-r6qq-qc9m-98w2 |
- EC-CUBE VendorEC-CUBE CO.,LTD. Affected 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 4.0.0 to before 4.0.6 Fixed in 4.0.6 Patch available GHSA-r6qq-qc9m-98w2
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ec-cube:ec-cube:*:*:*:*:*:*:*:* | 4.0.0 to before 4.0.5 | Vulnerable | EC-CUBE CO.,LTD. |
| cpe:2.3:a:ec-cube:ec-cube:4.0.5.:-:*:*:*:*:*:* | 4.0.5. | Vulnerable | EC-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.
- cpe:2.3:a:ec-cube:ec-cube:4.0.5.:-:*:*:*:*:*:* Versions 4.0.5. Vulnerable ·EC-CUBE CO.,LTD.
Remediation
- Fix · GHSA-r6qq-qc9m-98w2 ec-cube/ec-cube (Packagist) Fixed in 4.0.6 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-20751
- 2026-10-03 Alias added: GHSA-r6qq-qc9m-98w2
References
More EC-CUBE CO.,LTD. Ec-cube vulnerabilities
- 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
Sources
- CVE-2021-20751 · CVE Program
- CVE-2021-20751 · NVD
- FIRST EPSS
- GHSA-r6qq-qc9m-98w2 · GitHub Advisory Database · CC BY 4.0
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