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CVE-2016-5303

Estado: ModificadaMedia (6.1)—

Cross-site scripting (XSS) vulnerability in the Horde Text Filter API in Horde Groupware and Horde Groupware Webmail Edition before 5.2.16 allows remote attackers to inject arbitrary web script or HTML via crafted data:text/html content in a form (1) action or (2) xlink attribute.

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)

Horde — Groupware

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2016-5303",
  "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
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.0",
          "baseScore": 6.1,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/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": "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": "2016-12-20T22:59:00.287",
  "references": [
    {
      "url": "http://marc.info/?l=horde-announce&m=147319066126665&w=2",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
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    },
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      "tags": [
        "Release Notes",
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      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/94997",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/horde/horde/commit/30d5506c20d26efbb9942fbdc6f981a0bd333b97",
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      "source": "cve@mitre.org"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
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      "url": "https://github.com/horde/horde/commit/30d5506c20d26efbb9942fbdc6f981a0bd333b97",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
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        "Vendor Advisory"
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      "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": "Cross-site scripting (XSS) vulnerability in the Horde Text Filter API in Horde Groupware and Horde Groupware Webmail Edition before 5.2.16 allows remote attackers to inject arbitrary web script or HTML via crafted data:text/html content in a form (1) action or (2) xlink attribute."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de XSS en la API Horde Text Filter en Horde Groupware y Horde Groupware Webmail Edition en versiones anteriores a 5.2.16 permite a atacantes remotos inyectar secuencias de comandos web o HTML arbitrarios a través de contenido data:text/html manipulado en un atributo de forma (1) acción o (2) xlink."
    }
  ],
  "lastModified": "2026-06-17T00:49:10.713",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:horde:groupware:5.2.15:*:*:*:*:*:*:*",
              "vulnerable": true,
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            },
            {
              "criteria": "cpe:2.3:a:horde:groupware:5.2.15:*:*:*:webmail:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D33C6D9A-1368-46DC-93DA-F6411C47BF17"
            }
          ],
          "operator": "OR"
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    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}