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CVE-2021-24350

Estado: ModificadaMedia (6.1)—

The Visitors WordPress plugin through 0.3 is affected by an Unauthenticated Stored Cross-Site Scripting (XSS) vulnerability. The plugin would display the user's user agent string without validation or encoding within the WordPress admin panel.

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)

Bestwebsoft — Visitors Online

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-24350",
  "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
      }
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    "cvssMetricV31": [
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          "attackVector": "NETWORK",
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          "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,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "contact@wpscan.com",
      "affectedData": [
        {
          "vendor": "Unknown",
          "product": "Visitors",
          "versions": [
            {
              "status": "affected",
              "version": "0.3",
              "versionType": "custom",
              "lessThanOrEqual": "0.3"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-06-14T14:15:08.467",
  "references": [
    {
      "url": "https://wpscan.com/vulnerability/06f1889d-8e2f-481a-b91b-3a8008e00ffc",
      "tags": [
        "Exploit"
      ],
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://wpscan.com/vulnerability/06f1889d-8e2f-481a-b91b-3a8008e00ffc",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "contact@wpscan.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Visitors WordPress plugin through 0.3 is affected by an Unauthenticated Stored Cross-Site Scripting (XSS) vulnerability. The plugin would display the user's user agent string without validation or encoding within the WordPress admin panel."
    },
    {
      "lang": "es",
      "value": "El plugin Visitors WordPress versiones hasta 0.3, está afectado por una vulnerabilidad de tipo Cross-Site Scripting (XSS) almacenado sin autenticación. El plugin mostraría la cadena de agente de usuario del usuario sin comprobación o codificación dentro del panel de administración de WordPress"
    }
  ],
  "lastModified": "2026-06-17T03:39:52.707",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "versionEndIncluding": "0.3"
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  ],
  "sourceIdentifier": "contact@wpscan.com"
}