Attacker-controlled content shown under spoofed domains in Focus for iOS via stalled navigation and iframe redirect

{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-2919",
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
    "dateUpdated": "2026-03-09T14:43:51.521Z",
    "dateReserved": "2026-02-20T22:12:39.140Z",
    "datePublished": "2026-03-09T13:27:49.158Z",
    "state": "PUBLISHED"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "shortName": "mozilla",
        "dateUpdated": "2026-03-09T13:27:49.158Z"
      },
      "title": "Attacker-controlled content shown under spoofed domains in Focus for iOS via stalled navigation and iframe redirect",
      "descriptions": [
        {
          "lang": "en",
          "value": "Malicious scripts could display attacker-controlled web content under spoofed domains in Focus for iOS by stalling a _self navigation to an invalid port and triggering an iframe redirect, causing the UI to display a trusted domain without user interaction. This vulnerability affects Focus for iOS < 148.2.",
          "supportingMedia": [
            {
              "type": "text/html",
              "base64": false,
              "value": "Malicious scripts could display attacker-controlled web content under spoofed domains in Focus for iOS by stalling a _self navigation to an invalid port and triggering an iframe redirect, causing the UI to display a trusted domain without user interaction. This vulnerability affects Focus for iOS < 148.2."
            }
          ]
        }
      ],
      "affected": [
        {
          "vendor": "Mozilla",
          "product": "Focus for iOS",
          "versions": [
            {
              "version": "unspecified",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "148.2"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1975842"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-18/"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Renwa Hiwa"
        }
      ]
    },
    "adp": [
      {
        "providerMetadata": {
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP",
          "dateUpdated": "2026-03-09T14:43:51.521Z"
        },
        "title": "CISA ADP Vulnrichment",
        "problemTypes": [
          {
            "descriptions": [
              {
                "lang": "en",
                "description": "CWE-451 User Interface (UI) Misrepresentation of Critical Information",
                "cweId": "CWE-451",
                "type": "CWE"
              }
            ]
          }
        ],
        "metrics": [
          {
            "cvssV3_1": {
              "version": "3.1",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
              "attackVector": "NETWORK",
              "attackComplexity": "LOW",
              "privilegesRequired": "NONE",
              "userInteraction": "REQUIRED",
              "scope": "UNCHANGED",
              "confidentialityImpact": "NONE",
              "integrityImpact": "LOW",
              "availabilityImpact": "NONE",
              "baseScore": 4.3,
              "baseSeverity": "MEDIUM"
            }
          },
          {}
        ]
      }
    ]
  }
}