FKIE_CVE-2026-11799

Vulnerability from fkie_nvd - Published: 2026-06-09 21:17 - Updated: 2026-07-23 09:10
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
UXSS in Focus for iOS / Klar Webkit navigation. This vulnerability was fixed in Focus for iOS 151.3.1 and Klar for iOS 151.3.1.
References
security@mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1975667Permissions Required
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2026-55/Vendor Advisory
Impacted products
Vendor Product Version
mozilla focus *
mozilla klar *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Focus for iOS",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "151.3.1",
              "versionType": "rpm"
            }
          ]
        },
        {
          "product": "Klar for iOS",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "151.3.1",
              "versionType": "rpm"
            }
          ]
        }
      ],
      "source": "security@mozilla.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mozilla:focus:*:*:*:*:*:iphone_os:*:*",
              "matchCriteriaId": "8339EA66-FC5D-4D7A-B097-35FC7E18D41C",
              "versionEndExcluding": "151.3.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mozilla:klar:*:*:*:*:*:iphone_os:*:*",
              "matchCriteriaId": "BFD1975B-15CE-4B6B-B4CF-2299E669F46C",
              "versionEndExcluding": "151.3.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "UXSS in Focus for iOS / Klar Webkit navigation. This vulnerability was fixed in Focus for iOS 151.3.1 and Klar for iOS 151.3.1."
    },
    {
      "lang": "es",
      "value": "UXSS en Focus para iOS / Navegaci\u00f3n Webkit de Klar. Esta vulnerabilidad se corrigi\u00f3 en Focus para iOS 151.3.1 y Klar para iOS 151.3.1."
    }
  ],
  "id": "CVE-2026-11799",
  "lastModified": "2026-07-23T09:10:00.113",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-11799",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-10T15:46:23.194997Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-06-09T21:17:03.410",
  "references": [
    {
      "source": "security@mozilla.org",
      "tags": [
        "Permissions Required"
      ],
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1975667"
    },
    {
      "source": "security@mozilla.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-55/"
    }
  ],
  "sourceIdentifier": "security@mozilla.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}



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