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CVE-2021-27318

Estado: ModificadaMedia (6.1)—

Cross Site Scripting (XSS) vulnerability in contactus.php in Doctor Appointment System 1.0 allows remote attackers to inject arbitrary web script or HTML via the lastname parameter.

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)

Doctor Appointment System Project — Doctor Appointment System

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-27318",
  "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
      }
    ],
    "cvssMetricV31": [
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        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
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          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/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,
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      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-03-01T21:15:14.600",
  "references": [
    {
      "url": "http://packetstormsecurity.com/files/161574/Doctor-Appointment-System-1.0-Cross-Site-Scripting.html",
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        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.sourcecodester.com/php/14182/doctor-appointment-system.html",
      "tags": [
        "Product"
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      "source": "cve@mitre.org"
    },
    {
      "url": "http://packetstormsecurity.com/files/161574/Doctor-Appointment-System-1.0-Cross-Site-Scripting.html",
      "tags": [
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        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.sourcecodester.com/php/14182/doctor-appointment-system.html",
      "tags": [
        "Product"
      ],
      "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 contactus.php in Doctor Appointment System 1.0 allows remote attackers to inject arbitrary web script or HTML via the lastname parameter."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de tipo Cross Site Scripting (XSS) en el archivo contactus.php en Doctor Appointment System versión 1.0, permite a atacantes remotos inyectar un script web o HTML arbitrario por medio del parámetro lastname"
    }
  ],
  "lastModified": "2026-06-17T03:44:38.820",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "matchCriteriaId": "68074324-B3A0-4D9A-B66B-CB3E1DDE661F"
            }
          ],
          "operator": "OR"
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  "sourceIdentifier": "cve@mitre.org"
}