{"id":"CVE-2021-28556","aliases":["BIT-magento-2021-28556","EUVD-2022-2149","GHSA-39ch-rg26-gmq5"],"status":"published","title":"Magento Commerce DOM-based cross-site scripting (XSS) could lead to arbitrary javascript execution","description":"Magento versions 2.4.2 (and earlier), 2.4.1-p1 (and earlier) and 2.3.6-p1 (and earlier) are affected by a DOM-based Cross-Site Scripting vulnerability on mage-messages cookies. Successful exploitation could lead to arbitrary JavaScript execution by an unauthenticated attacker. User interaction is required for successful exploitation.","severity":{"version":"3.1","score":6.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.01397,"percentile":0.72808,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2021-06-28T13:42:13Z","modified":"2026-10-24T10:30:51Z","fixes":[{"ecosystem":"Packagist","package":"magento/community-edition","fixed_in":["2.4.2-p1","2.3.7"],"sources":["ghsa","osv"]},{"ecosystem":"Bitnami","package":"magento","fixed_in":["2.3.7","2.4.3"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"magento/community-edition","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.4.0"},{"fixed":"2.4.2-p1"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"magento/community-edition","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.7"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"magento/project-community-edition","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.0.2"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"magento","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.3.7"},{"introduced":"2.4.0"},{"fixed":"2.4.3"}]}]},{"source":"osv","ecosystem":"Packagist","package":"magento/community-edition","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.4.0"},{"fixed":"2.4.2-p1"}]}],"versions":["2.4.0","2.4.0-p1","2.4.1","2.4.1-p1","2.4.2"]},{"source":"osv","ecosystem":"Packagist","package":"magento/community-edition","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.7"}]}],"versions":["0.1.0-alpha100","0.1.0-alpha101","0.1.0-alpha102","0.1.0-alpha103","0.1.0-alpha104","0.1.0-alpha105","0.1.0-alpha106","0.1.0-alpha107","0.1.0-alpha108","0.1.0-alpha89","0.1.0-alpha90","0.1.0-alpha91","0.1.0-alpha92","0.1.0-alpha93","0.1.0-alpha94","0.1.0-alpha95","0.1.0-alpha96","0.1.0-alpha97","0.1.0-alpha98","0.1.0-alpha99","0.42.0-beta1","0.42.0-beta10","0.42.0-beta11","0.42.0-beta2","0.42.0-beta3","0.42.0-beta4","0.42.0-beta5","0.42.0-beta6","0.42.0-beta7","0.42.0-beta8","0.42.0-beta9","0.74.0-beta1","0.74.0-beta10","0.74.0-beta11","0.74.0-beta12","0.74.0-beta13","0.74.0-beta14","0.74.0-beta15","0.74.0-beta16","0.74.0-beta2","0.74.0-beta3","0.74.0-beta4","0.74.0-beta5","0.74.0-beta6","0.74.0-beta7","0.74.0-beta8","0.74.0-beta9","1.0.0-beta","1.0.0-beta2","1.0.0-beta3","1.0.0-beta4","1.0.0-beta5","1.0.0-beta6","2.0.0","2.0.0-rc","2.0.0-rc2","2.0.1","2.0.10","2.0.11","2.0.12","2.0.13","2.0.14","2.0.15","2.0.16","2.0.17","2.0.18","2.0.2","2.0.3","2.0.4","2.0.5","2.0.6","2.0.7","2.0.8","2.0.9","2.1.0","2.1.0-rc1","2.1.0-rc2","2.1.0-rc3","2.1.1","2.1.10","2.1.11","2.1.12","2.1.13","2.1.14","2.1.15","2.1.16","2.1.17","2.1.18","2.1.2","2.1.3","2.1.4","2.1.5","2.1.6","2.1.7","2.1.8","2.1.9","2.2.0","2.2.1","2.2.10","2.2.11","2.2.2","2.2.3","2.2.4","2.2.5","2.2.6","2.2.7","2.2.8","2.2.9","2.3.0","2.3.1","2.3.2","2.3.2-p2","2.3.3","2.3.3-p1","2.3.4","2.3.4-p2","2.3.5","2.3.5-p1","2.3.5-p2","2.3.6","2.3.6-p1"]},{"source":"osv","ecosystem":"Packagist","package":"magento/project-community-edition","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.0.2"}]}],"versions":["0.1.0-alpha100","0.1.0-alpha101","0.1.0-alpha102","0.1.0-alpha103","0.1.0-alpha104","0.1.0-alpha105","0.1.0-alpha106","0.1.0-alpha107","0.1.0-alpha108","0.1.0-alpha89","0.1.0-alpha90","0.1.0-alpha91","0.1.0-alpha92","0.1.0-alpha93","0.1.0-alpha94","0.1.0-alpha95","0.1.0-alpha96","0.1.0-alpha97","0.1.0-alpha98","0.1.0-alpha99","0.42.0-beta1","0.42.0-beta10","0.42.0-beta11","0.42.0-beta2","0.42.0-beta3","0.42.0-beta4","0.42.0-beta5","0.42.0-beta6","0.42.0-beta7","0.42.0-beta8","0.42.0-beta9","0.74.0-beta1","0.74.0-beta10","0.74.0-beta11","0.74.0-beta12","0.74.0-beta13","0.74.0-beta14","0.74.0-beta15","0.74.0-beta16","0.74.0-beta2","0.74.0-beta3","0.74.0-beta4","0.74.0-beta5","0.74.0-beta6","0.74.0-beta7","0.74.0-beta8","0.74.0-beta9","1.0.0-beta","2.0.0","2.0.0-rc","2.0.0-rc2","2.0.1","2.0.2"]}],"products":[{"vendor":"adobe","product":"magento commerce"},{"vendor":"magento","product":"magento"}],"references":[{"url":"https://helpx.adobe.com/security/products/magento/apsb21-30.html","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-28556","tags":["web","advisory"]},{"url":"https://github.com/magento/magento2/commit/1bd5cb8c065e44779526c0b044ce19b884707695","tags":["web"]},{"url":"https://github.com/advisories/GHSA-39ch-rg26-gmq5"},{"url":"https://github.com/magento/magento2","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-28556","title":"Magento Commerce DOM-based cross-site scripting (XSS) could lead to arbitrary javascript execution","description":"Magento versions 2.4.2 (and earlier), 2.4.1-p1 (and earlier) and 2.3.6-p1 (and earlier) are affected by a DOM-based Cross-Site Scripting vulnerability on mage-messages cookies. Successful exploitation could lead to arbitrary JavaScript execution by an unauthenticated attacker. User interaction is required for successful exploitation.","status":"published","published":"2021-06-28T13:42:13.145Z","modified":"2024-09-17T02:11:10.307Z","cvss":[{"version":"3.1","score":6.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:09.175141Z"}],"euvd":[{"id":"EUVD-2022-2149","description":"Magento versions 2.4.2 (and earlier), 2.4.1-p1 (and earlier) and 2.3.6-p1 (and earlier) are affected by a DOM-based Cross-Site Scripting vulnerability on mage-messages cookies. Successful exploitation could lead to arbitrary JavaScript execution by an unauthenticated attacker. User interaction is required for successful exploitation.","status":"published","published":"2021-06-28T13:42:13Z","modified":"2024-09-17T02:11:10Z","cvss":[{"version":"3.1","score":6.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T00:28:42.924013Z"}],"ghsa":[{"id":"GHSA-39ch-rg26-gmq5","title":"Magento DOM-based Cross-Site Scripting vulnerability on mage-messages cookies","description":"Magento versions 2.4.2 (and earlier), 2.4.1-p1 (and earlier) and 2.3.6-p1 (and earlier) are affected by a DOM-based Cross-Site Scripting vulnerability on mage-messages cookies. Successful exploitation could lead to arbitrary JavaScript execution by an unauthenticated attacker. User interaction is required for successful exploitation.","status":"published","published":"2022-05-24T19:06:25Z","modified":"2025-02-10T21:01:44Z","cvss":[{"version":"3.1","score":6.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:38:29.866763Z"}],"nvd":[{"id":"CVE-2021-28556","description":"Magento versions 2.4.2 (and earlier), 2.4.1-p1 (and earlier) and 2.3.6-p1 (and earlier) are affected by a DOM-based Cross-Site Scripting vulnerability on mage-messages cookies. Successful exploitation could lead to arbitrary JavaScript execution by an unauthenticated attacker. User interaction is required for successful exploitation.","status":"published","published":"2021-06-28T14:15:09.98Z","modified":"2026-06-17T03:46:31.733Z","cvss":[{"version":"3.1","score":6.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:55.259633Z"}],"osv":[{"id":"CVE-2021-28556","description":"Magento versions 2.4.2 (and earlier), 2.4.1-p1 (and earlier) and 2.3.6-p1 (and earlier) are affected by a DOM-based Cross-Site Scripting vulnerability on mage-messages cookies. Successful exploitation could lead to arbitrary JavaScript execution by an unauthenticated attacker. User interaction is required for successful exploitation.","status":"published","published":"2021-06-28T14:15:09.98Z","modified":"2026-10-24T10:30:51.882694947Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:19.129331Z"},{"id":"GHSA-39ch-rg26-gmq5","title":"Magento DOM-based Cross-Site Scripting vulnerability on mage-messages cookies","description":"Magento versions 2.4.2 (and earlier), 2.4.1-p1 (and earlier) and 2.3.6-p1 (and earlier) are affected by a DOM-based Cross-Site Scripting vulnerability on mage-messages cookies. Successful exploitation could lead to arbitrary JavaScript execution by an unauthenticated attacker. User interaction is required for successful exploitation.","status":"published","published":"2022-05-24T19:06:25Z","modified":"2025-02-10T21:28:59.014933Z","cvss":[{"version":"3.1","score":6.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:35.406455Z"},{"id":"BIT-magento-2021-28556","title":"Magento Commerce DOM-based cross-site scripting (XSS) could lead to arbitrary javascript execution","description":"Magento versions 2.4.2 (and earlier), 2.4.1 (and earlier) and 2.3.6 (and earlier) are affected by a DOM-based Cross-Site Scripting vulnerability on mage-messages cookies. Successful exploitation could lead to arbitrary JavaScript execution by an unauthenticated attacker. User interaction is required for successful exploitation.","status":"published","published":"2024-03-06T10:59:08.92Z","modified":"2026-09-08T08:48:09.695615729Z","updated_at":"2026-11-02T15:28:32.645004Z"}]}}