Security advisory

{
  "id": "b1bcc092e4c6da34fc40d056132621ced3474502a440119fcb275a10c3d1d58e",
  "url": "https://osv.dev/vulnerability/CVE-2021-44683",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-44683",
    "summary": "The DuckDuckGo browser 7.64.4 on iOS allows Address Bar Spoofing due to mishandling of the JavaScript window.open function (used to open a secondary browser window). This could be exploited by tricking users into supplying sensitive information such as credentials, because the address bar would display a legitimate URL, but content would be hosted on the attacker's web site.",
    "evidence": "osv:CVE-2021-44683",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-44683",
      "aliases": [
        "CVE-2021-44683"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/duckduckgo/ios",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "9b54e748dd1db3aa1bec50d318b0856f8eda2eb4"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:duckduckgo:duckduckgo:*:*:*:*:*:iphone_os:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "7.64.18"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "7.64.17",
            "7.64.16",
            "7.64.15",
            "7.64.9",
            "7.61.13",
            "7.61.11",
            "7.6.11",
            "7.61.5",
            "7.60.0",
            "7.57.2",
            "7.39.1.0",
            "7.39.0.1",
            "7.38.0",
            "7.37.0",
            "7.36.0.0",
            "7.35.0.0",
            "7.34.0.0",
            "7.33.1.0",
            "7.33.0.0",
            "7.32.1.0",
            "7.32.0.0",
            "7.31.1.0",
            "7.31.0.0",
            "7.30.0.0",
            "7.29.0.0",
            "7.28.0.0",
            "7.27.0.0",
            "7.26.0.0",
            "7.25.0.0",
            "7.24.2.0",
            "7.24.1",
            "7.24.0.0",
            "7.23.0.0",
            "7.22.0.0",
            "7.21.1.0",
            "7.21.0.0",
            "7.20.0.0",
            "7.19.1",
            "7.19.0.0",
            "7.3.0.2",
            "7.3.0.1",
            "7.3.0.0",
            "7.2.0.2",
            "7.2.0.1",
            "7.2.0.0",
            "7.1.0.2",
            "7.1.0.1",
            "7.1.0.0",
            "7.1.0",
            "7.0.5.896",
            "7.0.4.895",
            "7.0.3.894",
            "7.0.2.893",
            "7.0.1.893",
            "7.0.0.893",
            "7.0.0.892",
            "7.0.0.891",
            "7.0.0.890",
            "7.0.0.889",
            "7.0.0.888",
            "7.0.0.887",
            "7.0.0.886",
            "7.0.0.885",
            "7.0.0.882",
            "7.0.0.881",
            "7.0.0.880",
            "0.30.0",
            "0.29.0",
            "0.28.1",
            "0.28.0",
            "0.27.0",
            "0.26.0",
            "0.25.0",
            "0.24.0",
            "0.23.0",
            "0.22.2",
            "0.22.1",
            "0.22.0",
            "0.21.0",
            "0.20.0",
            "0.19.0",
            "0.18.0",
            "0.17.0",
            "0.16.0",
            "0.15.0",
            "0.14.1",
            "0.14.0",
            "0.13.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-44683.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:55.910134899Z",
      "provider": "osv",
      "references": [
        "https://www.cybercitadel.com/remote-address-bar-spoofing-and-html-injection-disclosures/"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:duckduckgo:duckduckgo:*:*:*:*:*:iphone_os:*:*"
            ],
            "vendor_product": "duckduckgo:duckduckgo",
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "7.64.18"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-44683",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 438542,
  "published_at": "2022-03-25T22:15:08.033+00:00"
}