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CVE-2006-2783

Estado: ModificadaMedia (4.3)—

Mozilla Firefox and Thunderbird before 1.5.0.4 strip the Unicode Byte-order-Mark (BOM) from a UTF-8 page before the page is passed to the parser, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a BOM sequence in the middle of a dangerous tag such as SCRIPT.

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 (2)

Mozilla — FirefoxMozilla — Thunderbird

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2006-2783",
  "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": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2006-06-02T19:02:00.000",
  "references": [
    {
      "url": "http://lists.apple.com/archives/security-announce/2008//Jul/msg00001.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.apple.com/archives/security-announce/2009/jun/msg00002.html",
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    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2006-0609.html",
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    },
    {
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      "url": "http://www.debian.org/security/2006/dsa-1118",
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      "url": "http://www.debian.org/security/2006/dsa-1120",
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      "url": "http://www.debian.org/security/2006/dsa-1134",
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    {
      "url": "http://www.gentoo.org/security/en/glsa/glsa-200606-12.xml",
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      "url": "http://www.vupen.com/english/advisories/2008/0083",
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    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10772",
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    },
    {
      "url": "https://usn.ubuntu.com/296-2/",
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      "url": "https://usn.ubuntu.com/297-3/",
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    },
    {
      "url": "https://usn.ubuntu.com/323-1/",
      "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": "Mozilla Firefox and Thunderbird before 1.5.0.4 strip the Unicode Byte-order-Mark (BOM) from a UTF-8 page before the page is passed to the parser, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a BOM sequence in the middle of a dangerous tag such as SCRIPT."
    }
  ],
  "lastModified": "2026-06-16T22:25:45.783",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5879A639-89D1-4D9C-9D97-DDA6AB862271",
              "versionEndIncluding": "1.5.0.3"
            },
            {
              "criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B80D96C6-E20A-48C4-B9E3-2452B9742F1D",
              "versionEndIncluding": "1.5.0.3"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "evaluatorSolution": "Fixed in: Firefox 1.5.0.4\r\n  Thunderbird 1.5.0.4\r\n  SeaMonkey 1.0.2"
}