{
  "affected": [
    {
      "ranges": [
        {
          "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"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1c9356d8990a2a8c90c66097e20cb2f22e5cc267"
            },
            {
              "introduced": "8f8ae9b8c60b9b31bec5d2c247d8ef81b3c6d369"
            },
            {
              "last_affected": "1386600158c9e06f79f7b25998f99bd45cff4477"
            }
          ],
          "repo": "https://github.com/dart-lang/sdk",
          "type": "GIT"
        }
      ],
      "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"
      ]
    }
  ],
  "aliases": [
    "GHSA-hfq3-v9pv-p627"
  ],
  "database_specific": {},
  "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.",
  "id": "CVE-2020-8923",
  "modified": "2026-07-08T05:38:32.921918813Z",
  "published": "2020-03-26T12:15:12.217Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/dart-lang/sdk/security/advisories/GHSA-hfq3-v9pv-p627"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}