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CVE-2008-1243

Status: ModifiedMedium (4.3)—

Cross-site scripting (XSS) vulnerability on the Linksys WRT300N router with firmware 2.00.20, when Mozilla Firefox or Apple Safari is used, allows remote attackers to inject arbitrary web script or HTML via the dyndns_domain parameter to the default URI.

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)

Linksys — Wrt300n

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2008-1243",
  "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": "2008-03-10T17:44:00.000",
  "references": [
    {
      "url": "http://code.bulix.org/cx46qa-65489",
      "tags": [
        "Exploit"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://code.bulix.org/koom78-65490",
      "tags": [
        "Exploit"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.gnucitizen.org/projects/router-hacking-challenge/",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/489009/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/41121",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://code.bulix.org/cx46qa-65489",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://code.bulix.org/koom78-65490",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.gnucitizen.org/projects/router-hacking-challenge/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/489009/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/41121",
      "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 on the Linksys WRT300N router with firmware 2.00.20, when Mozilla Firefox or Apple Safari is used, allows remote attackers to inject arbitrary web script or HTML via the dyndns_domain parameter to the default URI."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de secuencias de comandos en sitios cruzados (XSS) en el router Linksys WRT300N con software empotrado (firmware) 2.00.20, cuando se utiliza Mozilla Firefox o Apple Safari, permite a atacantes remotos inyectar secuencias de comandos Web o HTML de su elección a través del parámetro dyndns_domain en el URI por defecto."
    }
  ],
  "lastModified": "2026-06-16T22:51:20.597",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:linksys:wrt300n:*:*:2.00.20:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6E509B0B-EA59-4833-8589-4EB60FFAD0A7"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}