{"id":"CVE-2021-20717","aliases":["GHSA-c8mx-43cq-993w"],"url":"https://o3.security/vulnerability/CVE-2021-20717","summary":"EC-CUBE Cross-site scripting vulnerability","details":"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.","published":"2021-05-10T10:15:07.313Z","modified":"2026-07-08T21:25:38.470517Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"ec-cube/ec-cube","fixedVersion":null}],"fix":null,"references":[{"type":"ADVISORY","url":"https://jvn.jp/en/jp/JVN97554111/index.html"},{"type":"FIX","url":"https://www.ec-cube.net/news/detail.php?news_id=383"},{"type":"FIX","url":"https://www.ec-cube.net/news/detail.php?news_id=384"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T21:25:38.470517Z"}}