{"id":"CVE-2020-8923","details":"An improper HTML sanitization in Dart versions up to and including 2.7.1 and dev versions 2.8.0-dev.16.0, allows an attacker leveraging DOM Clobbering techniques to skip the sanitization and inject custom html/javascript (XSS). Mitigation: update your Dart SDK to 2.7.2, and 2.8.0-dev.17.0 for the dev version. If you cannot update, we recommend you review the way you use the affected APIs, and pay special attention to cases where user-provided data is used to populate DOM nodes. Consider using Element.innerText or Node.text to populate DOM elements.","aliases":["GHSA-hfq3-v9pv-p627"],"modified":"2026-07-09T02:49:36.930543Z","published":"2020-03-26T12:15:12.217Z","references":[{"type":"ADVISORY","url":"https://github.com/dart-lang/sdk/security/advisories/GHSA-hfq3-v9pv-p627"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/dart-lang/sdk","events":[{"introduced":"0"},{"fixed":"1c9356d8990a2a8c90c66097e20cb2f22e5cc267"},{"introduced":"8f8ae9b8c60b9b31bec5d2c247d8ef81b3c6d369"},{"last_affected":"1386600158c9e06f79f7b25998f99bd45cff4477"}],"database_specific":{"cpe":["cpe:2.3:a:dart:dart_software_development_kit:*:*:*:*:*:*:*:*","cpe:2.3:a:dart:dart_software_development_kit:2.8.0:dev0.0:*:*:*:*:*:*","cpe:2.3:a:dart:dart_software_development_kit:2.8.0:dev1.0:*:*:*:*:*:*","cpe:2.3:a:dart:dart_software_development_kit:2.8.0:dev10.0:*:*:*:*:*:*","cpe:2.3:a:dart:dart_software_development_kit:2.8.0:dev11.0:*:*:*:*:*:*","cpe:2.3:a:dart:dart_software_development_kit:2.8.0:dev12.0:*:*:*:*:*:*","cpe:2.3:a:dart:dart_software_development_kit:2.8.0:dev13.0:*:*:*:*:*:*","cpe:2.3:a:dart:dart_software_development_kit:2.8.0:dev14.0:*:*:*:*:*:*","cpe:2.3:a:dart:dart_software_development_kit:2.8.0:dev15.0:*:*:*:*:*:*","cpe:2.3:a:dart:dart_software_development_kit:2.8.0:dev16.0:*:*:*:*:*:*","cpe:2.3:a:dart:dart_software_development_kit:2.8.0:dev2.0:*:*:*:*:*:*","cpe:2.3:a:dart:dart_software_development_kit:2.8.0:dev3.0:*:*:*:*:*:*","cpe:2.3:a:dart:dart_software_development_kit:2.8.0:dev4.0:*:*:*:*:*:*","cpe:2.3:a:dart:dart_software_development_kit:2.8.0:dev5.0:*:*:*:*:*:*","cpe:2.3:a:dart:dart_software_development_kit:2.8.0:dev6.0:*:*:*:*:*:*","cpe:2.3:a:dart:dart_software_development_kit:2.8.0:dev7.0:*:*:*:*:*:*","cpe:2.3:a:dart:dart_software_development_kit:2.8.0:dev8.0:*:*:*:*:*:*","cpe:2.3:a:dart:dart_software_development_kit:2.8.0:dev9.0:*:*:*:*:*:*"],"extracted_events":[{"introduced":"0"},{"fixed":"2.7.2"},{"introduced":"2.8.0-dev0\\.0"},{"last_affected":"2.8.0-dev0\\.0"},{"introduced":"2.8.0-dev1\\.0"},{"last_affected":"2.8.0-dev1\\.0"},{"introduced":"2.8.0-dev10\\.0"},{"last_affected":"2.8.0-dev10\\.0"},{"introduced":"2.8.0-dev11\\.0"},{"last_affected":"2.8.0-dev11\\.0"},{"introduced":"2.8.0-dev12\\.0"},{"last_affected":"2.8.0-dev12\\.0"},{"introduced":"2.8.0-dev13\\.0"},{"last_affected":"2.8.0-dev13\\.0"},{"introduced":"2.8.0-dev14\\.0"},{"last_affected":"2.8.0-dev14\\.0"},{"introduced":"2.8.0-dev15\\.0"},{"last_affected":"2.8.0-dev15\\.0"},{"introduced":"2.8.0-dev16\\.0"},{"last_affected":"2.8.0-dev16\\.0"},{"introduced":"2.8.0-dev2\\.0"},{"last_affected":"2.8.0-dev2\\.0"},{"introduced":"2.8.0-dev3\\.0"},{"last_affected":"2.8.0-dev3\\.0"},{"introduced":"2.8.0-dev4\\.0"},{"last_affected":"2.8.0-dev4\\.0"},{"introduced":"2.8.0-dev5\\.0"},{"last_affected":"2.8.0-dev5\\.0"},{"introduced":"2.8.0-dev6\\.0"},{"last_affected":"2.8.0-dev6\\.0"},{"introduced":"2.8.0-dev7\\.0"},{"last_affected":"2.8.0-dev7\\.0"},{"introduced":"2.8.0-dev8\\.0"},{"last_affected":"2.8.0-dev8\\.0"},{"introduced":"2.8.0-dev9\\.0"},{"last_affected":"2.8.0-dev9\\.0"}],"source":["CPE_RANGE","CPE_STRING"]}}],"versions":["2.8.0-dev0\\.0","2.8.0-dev10\\.0","2.8.0-dev11\\.0","2.8.0-dev12\\.0","2.8.0-dev13\\.0","2.8.0-dev14\\.0","2.8.0-dev15\\.0","2.8.0-dev16\\.0","2.8.0-dev1\\.0","2.8.0-dev2\\.0","2.8.0-dev3\\.0","2.8.0-dev4\\.0","2.8.0-dev5\\.0","2.8.0-dev6\\.0","2.8.0-dev7\\.0","2.8.0-dev8\\.0","2.8.0-dev9\\.0","2.7.1","2.8.0-dev.9.0","2.8.0-dev.8.0","2.8.0-dev.7.0","2.8.0-dev.6.0","2.8.0-dev.5.0","2.7.0","2.8.0-dev.4.0","2.8.0-dev.3.0","2.8.0-dev.2.0","2.8.0-dev.1.0","2.8.0-dev.0.0","2.6.1","2.6.0","2.5.2","2.5.1","2.5.0","2.4.1","2.4.0","2.3.2","2.3.1","2.3.0","2.2.0","2.1.1","2.1.0","2.0.0","1.24.3","1.24.2","1.24.1","1.24.0","1.23.0","1.22.1","1.22.0","1.21.1","1.21.0","1.20.1","1.20.0","1.19.1","1.19.0","1.18.1","1.18.0","1.17.1","1.17.0","1.16.1","1.16.0","1.15.0","1.14.2","1.14.1","1.14.0","1.13.2","1.13.1","1.13.0","1.12.2","1.12.1","1.12.0","1.11.3","1.11.2","1.11.1","1.11.0","1.11.0-dev.5.7","1.11.0-dev.5.6","1.11.0-dev.5.5","1.11.0-dev.5.4","1.11.0-dev.5.3","1.11.0-dev.5.2","1.11.0-dev.5.1","1.11.0-dev.5.0","1.11.0-dev.4.0","1.11.0-dev.3.0","1.11.0-dev.2.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-8923.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}