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CVE-2012-5851

Estado: ModificadaMedia (4.3)—💥 Exploit

html/parser/XSSAuditor.cpp in WebCore in WebKit, as used in Google Chrome through 22 and Safari 5.1.7, does not consider all possible output contexts of reflected data, which makes it easier for remote attackers to bypass a cross-site scripting (XSS) protection mechanism via a crafted string, aka rdar problem 12019108.

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).

💥 Exploits públicos

Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.

Tecnologías afectadas (3)

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2012-5851",
  "cveTags": [],
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        "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,
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      "affectedData": [
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          "product": "n/a",
          "versions": [
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              "version": "n/a"
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  "published": "2012-11-15T11:58:40.447",
  "references": [
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      "url": "http://blog.opensecurityresearch.com/2012/09/simple-cross-site-scripting-vector-that.html",
      "tags": [
        "Exploit"
      ],
      "source": "cve@mitre.org"
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      "url": "https://bugs.webkit.org/show_bug.cgi?id=92692",
      "tags": [
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      "source": "cve@mitre.org"
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      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/80072",
      "source": "cve@mitre.org"
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    {
      "url": "http://blog.opensecurityresearch.com/2012/09/simple-cross-site-scripting-vector-that.html",
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      "value": "html/parser/XSSAuditor.cpp in WebCore in WebKit, as used in Google Chrome through 22 and Safari 5.1.7, does not consider all possible output contexts of reflected data, which makes it easier for remote attackers to bypass a cross-site scripting (XSS) protection mechanism via a crafted string, aka rdar problem 12019108."
    },
    {
      "lang": "es",
      "value": "html/parser/XSSAuditor.cpp en WebCore en WebKit, tal y como se utiliza en Google Chrome hasta v22 y Safari v5.1.7, no tiene en cuenta todos los contextos de salida posibles de los datos reflejados, lo que hace que sea más fácil para los atacantes remotos saltarse el mecanismo de protección ante ataques de ejecución de comandos en sitios cruzados (XSS) a través de una cadena hecha a mano. Se trata de un problema también conocido como \"rdar problem 12019108\".\r\n"
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  "lastModified": "2026-06-16T23:47:27.720",
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