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CVE-2007-3576

Status: ModifiedMedium (4.3)—

Microsoft Internet Explorer 6 executes web script from URIs of arbitrary scheme names ending with the "script" character sequence, using the (1) vbscript: handler for scheme names with 7 through 9 characters, and the (2) javascript: handler for scheme names with 10 or more characters, which might allow remote attackers to bypass certain XSS protection schemes. NOTE: other researchers dispute the significance of this issue, stating "this only works when typed in the address bar.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Microsoft — Internet Explorer

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2007-3576",
  "cveTags": [
    {
      "tags": [
        "disputed"
      ],
      "sourceIdentifier": "cve@mitre.org"
    }
  ],
  "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
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2007-07-05T20:30:00.000",
  "references": [
    {
      "url": "http://groups.google.com/group/php-ids/browse_thread/thread/3ec15f69d6b3dba0",
      "tags": [
        "Exploit"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://ha.ckers.org/blog/20070702/ie60-protocol-guessing/",
      "tags": [
        "Exploit"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://osvdb.org/45813",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://sla.ckers.org/forum/read.php?2%2C13209%2C13218",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.0x000000.com/?i=375",
      "tags": [
        "Exploit"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://groups.google.com/group/php-ids/browse_thread/thread/3ec15f69d6b3dba0",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://ha.ckers.org/blog/20070702/ie60-protocol-guessing/",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://osvdb.org/45813",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://sla.ckers.org/forum/read.php?2%2C13209%2C13218",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.0x000000.com/?i=375",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Microsoft Internet Explorer 6 executes web script from URIs of arbitrary scheme names ending with the \"script\" character sequence, using the (1) vbscript: handler for scheme names with 7 through 9 characters, and the (2) javascript: handler for scheme names with 10 or more characters, which might allow remote attackers to bypass certain XSS protection schemes.  NOTE: other researchers dispute the significance of this issue, stating \"this only works when typed in the address bar."
    },
    {
      "lang": "es",
      "value": "** IMPUGNADA ** Microsoft Internet Explorer 6 ejecuta secuencias de comandos (scripts) web desde URIs de nombres de esquema arbitrarios terminados con la secuencia de caracteres \"script\", usando (1)el manejador vbscript: para nombres de esquema desde 7 hasta 9 caracteres, y (2) el manejador javascript: para nombres de esquema con 10 o más caracteres, lo cual podría permitir a atacantes remotos evitar determinados esquemas de protección XSS. NOTA: otros investigadores no le conceden importancia a este problema, afirmando que \"esto sólo funciona cuando se escribe en la barra de direcciones\"."
    }
  ],
  "lastModified": "2026-06-16T22:42:18.910",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:internet_explorer:6:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "693D3C1C-E3E4-49DB-9A13-44ADDFF82507"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}