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CVE-2018-1000815

Estado: ModificadaMedia (4.3)—

Brave Software Inc. Brave version version 0.22.810 to 0.24.0 contains a Other/Unknown vulnerability in function ContentSettingsObserver::AllowScript() in content_settings_observer.cc that can result in Websites can run inline JavaScript even if script is blocked, making attackers easier to track users. This attack appear to be exploitable via the victim must visit a specially crafted website. This vulnerability appears to have been fixed in 0.25.2.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Brave — Brave

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-1000815",
  "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:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 4.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
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      ]
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  ],
  "published": "2018-12-20T15:29:00.547",
  "references": [
    {
      "url": "https://github.com/brave/browser-laptop/issues/15232",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/brave/muon/commit/c18663aa171c6cdf03da3e8c70df8663645b97c4",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/brave/muon/pull/651",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/brave/browser-laptop/issues/15232",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/brave/muon/commit/c18663aa171c6cdf03da3e8c70df8663645b97c4",
      "tags": [
        "Patch"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/brave/muon/pull/651",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Brave Software Inc. Brave version version 0.22.810 to 0.24.0 contains a Other/Unknown vulnerability in function ContentSettingsObserver::AllowScript() in content_settings_observer.cc that can result in Websites can run inline JavaScript even if script is blocked, making attackers easier to track users. This attack appear to be exploitable via the victim must visit a specially crafted website. This vulnerability appears to have been fixed in 0.25.2."
    },
    {
      "lang": "es",
      "value": "Brave, de Brave Software Inc., de la versión 0.22.810 a la 0.24.0, contiene una vulnerabilidad desconocida en la función ContentSettingsObserver::AllowScript() en content_settings_observer.cc que puede resultar en que los sitios web puedan ejecutar JavaScript inline incluso aunque el script esté bloqueado, haciendo que a los atacantes les resulte más fácil rastrear usuarios. El ataque parece ser explotable si una víctima visita un sitio web especialmente manipulado. La vulnerabilidad parece haber sido solucionada en la versión 0.25.2."
    }
  ],
  "lastModified": "2026-06-17T01:33:06.283",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "BBAA049C-DDEE-42A9-8CD0-881CA5A0DE17",
              "versionEndIncluding": "0.24.0",
              "versionStartIncluding": "0.22.810"
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          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}