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CVE-2019-8674

Status: ModifiedMedium (6.1)—

A logic issue was addressed with improved state management. This issue is fixed in iOS 13, Safari 13. Processing maliciously crafted web content may lead to universal cross site scripting.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (3)

Apple — Iphone OSApple — SafariWebkitgtk — Webkitgtk

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2019-8674",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 6.1,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "product-security@apple.com",
      "affectedData": [
        {
          "vendor": "Apple",
          "product": "iOS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "iOS 13",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "Safari",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "Safari 13",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-12-18T18:15:32.897",
  "references": [
    {
      "url": "https://security.gentoo.org/glsa/202003-22",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/HT210606",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/HT210608",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "https://security.gentoo.org/glsa/202003-22",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/HT210606",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/HT210608",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A logic issue was addressed with improved state management. This issue is fixed in iOS 13, Safari 13. Processing maliciously crafted web content may lead to universal cross site scripting."
    },
    {
      "lang": "es",
      "value": "Un problema lógico fue abordado mejorando la gestión del estado. Este problema es corregido en iOS versión 13, Safari versión 13. El procesamiento de contenido web diseñado maliciosamente puede conllevar a un ataque de tipo cross site scripting universal."
    }
  ],
  "lastModified": "2026-06-17T02:42:21.423",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5C0F7698-44D8-433B-9025-C9203E632C01",
              "versionEndExcluding": "13"
            },
            {
              "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "03E861BE-9AB7-45CE-8977-BA832ACB6F30",
              "versionEndExcluding": "13.0"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:webkitgtk:webkitgtk:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7E0C2B1D-5610-4C43-93AE-D739560B73BB",
              "versionEndExcluding": "2.26.4"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "product-security@apple.com"
}