{"id":"CVE-2021-20750","aliases":["EUVD-2022-5422","GHSA-vrpv-26fm-7vf7"],"status":"published","title":"EC-CUBE Cross-site scripting vulnerability","description":"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.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.01557,"percentile":0.75544,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2021-06-28T00:50:39Z","modified":"2026-10-24T10:30:54Z","fixes":[{"ecosystem":"Packagist","package":"ec-cube/ec-cube","fixed_in":["4.0.6"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"ec-cube/ec-cube","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0"},{"last_affected":"3.0.18-p2"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"ec-cube/ec-cube","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0"},{"last_affected":"4.0.5-p1"},{"fixed":"4.0.6"}]}]},{"source":"osv","ecosystem":"Packagist","package":"ec-cube/ec-cube","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0"},{"last_affected":"3.0.18-p2"}]}],"versions":["3.0.0","3.0.1","3.0.10","3.0.11","3.0.11-RC","3.0.12","3.0.12-p1","3.0.13","3.0.14","3.0.15","3.0.16","3.0.17","3.0.18","3.0.2","3.0.3","3.0.4","3.0.5","3.0.6","3.0.7","3.0.8","3.0.9"]},{"source":"osv","ecosystem":"Packagist","package":"ec-cube/ec-cube","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0"},{"fixed":"4.0.6"}]}],"versions":["4.0.0","4.0.1","4.0.2","4.0.3","4.0.4","4.0.5","4.0.5-p1","4.0.5-rc"]}],"products":[{"vendor":"ec-cube","product":"ec-cube"},{"vendor":"ec-cube co.,ltd.","product":"ec-cube"}],"references":[{"url":"https://www.ec-cube.net/info/weakness/weakness.php?id=79","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://www.ec-cube.net/info/weakness/weakness.php?id=78","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://jvn.jp/en/jp/JVN95292458/index.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20750","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-vrpv-26fm-7vf7"},{"url":"https://github.com/EC-CUBE/ec-cube","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-20750","description":"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.","status":"published","published":"2021-06-28T00:50:39Z","modified":"2024-08-03T17:53:21.998Z","updated_at":"2026-11-02T14:32:55.564736Z"}],"euvd":[{"id":"EUVD-2022-5422","description":"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.","status":"published","published":"2021-06-28T00:50:39Z","modified":"2024-08-03T17:53:21Z","updated_at":"2026-11-03T03:25:08.33351Z"}],"ghsa":[{"id":"GHSA-vrpv-26fm-7vf7","title":"EC-CUBE Cross-site scripting vulnerability","description":"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.","status":"published","published":"2022-05-24T19:06:27Z","modified":"2024-04-25T20:40:17Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:37:46.667202Z"}],"nvd":[{"id":"CVE-2021-20750","description":"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.","status":"published","published":"2021-06-28T01:15:07.567Z","modified":"2026-06-17T03:34:22.11Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:55.259633Z"}],"osv":[{"id":"CVE-2021-20750","description":"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.","status":"published","published":"2021-06-28T01:15:07.567Z","modified":"2026-10-24T10:30:54.316802247Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:18.004149Z"},{"id":"GHSA-vrpv-26fm-7vf7","title":"EC-CUBE Cross-site scripting vulnerability","description":"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.","status":"published","published":"2022-05-24T19:06:27Z","modified":"2024-04-25T20:57:37.172468Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:57.694388Z"}]}}