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CVE-2021-20751
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…
Medium6.1EPSS 1.1%
- Published
- Updated
- Reserved
- Assigned by
- jpcert
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 1.1% · top 35% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.
Weakness
- Cross-site scripting
- CWE-79 (opens in a new tab)All about CWE-79 and its CVEs
Affected products
- affected EC-CUBE 4.0.0 to 4.0.5-p1 (EC-CUBE 4 series)
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Packagistec-cube/ec-cubeGHSA-r6qq-qc9m-98w2 (opens in a new tab)
References (2)
- https://www.ec-cube.net/info/weakness/weakness.php?id=78 (opens in a new tab)x_refsource_MISCx_transferred
- https://jvn.jp/en/jp/JVN95292458/index.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-r6qq-qc9m-98w2 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-20751)Record last updated .