CVE-2012-1858

Estado: ModificadaMedia (4.3)—
The toStaticHTML API (aka the SafeHTML component) in Microsoft Internet Explorer 8 and 9, Communicator 2007 R2, and Lync 2010 and 2010 Attendee does not properly handle event attributes and script, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via a crafted HTML document, aka "HTML Sanitization Vulnerability."
CVSS

Versión: 2.0
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N
Puntuación base: 4.3
Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 22%
Percentil entre todas las CVEs puntuadas: 98
Fecha de la puntuación: 6/10/2026
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 (3)

Microsoft — Internet Explorer Microsoft — Lync Microsoft — Office Communicator
CWE

CWE-200
Referencias

JSON original (NVD)

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          "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"
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        "acInsufInfo": false,
        "impactScore": 2.9,
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        "obtainAllPrivilege": false,
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  "published": "2012-06-12T22:55:01.547",
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      "url": "http://www.us-cert.gov/cas/techalerts/TA12-164A.html",
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      "value": "The toStaticHTML API (aka the SafeHTML component) in Microsoft Internet Explorer 8 and 9, Communicator 2007 R2, and Lync 2010 and 2010 Attendee does not properly handle event attributes and script, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via a crafted HTML document, aka \"HTML Sanitization Vulnerability.\""
    },
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      "lang": "es",
      "value": "La API toStaticHTML (también conocido como componente SafeHTML) en Microsoft Internet Explorer v8 y v9, Communicator 2007 R2, y Lync 2010 y 2010 Attendee no maneja de forma correcta atributos de eventos y secuencias de comandos, lo que facilita a atacantes remotos conducir ataques de ejecución de secuencias de comandos en sitios cruzados (XSS) a través de un documento HTML manipulado, también conocido como \"HTML Sanitization Vulnerability.\""
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  "lastModified": "2026-06-16T23:40:26.577",
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