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CVE-2021-24635

Estado: ModificadaMedia (5.4)—

The Visual Link Preview WordPress plugin before 2.2.3 does not enforce authorisation on several AJAX actions and has the CSRF nonce displayed for all authenticated users, allowing any authenticated user (such as subscriber) to call them and 1) Get and search through title and content of Draft post, 2) Get title of a password-protected post as well as 3) Upload an image from an URL

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)

Bootstrapped — Visual Link Preview

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-24635",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.4,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.5,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "contact@wpscan.com",
      "affectedData": [
        {
          "vendor": "Unknown",
          "product": "Visual Link Preview",
          "versions": [
            {
              "status": "affected",
              "version": "2.2.3",
              "lessThan": "2.2.3",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-09-20T10:15:09.217",
  "references": [
    {
      "url": "https://wpscan.com/vulnerability/854b23d9-e3f8-4835-8d29-140c580f11c9",
      "tags": [
        "Exploit",
        "Third Party Advisory"
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    },
    {
      "url": "https://wpscan.com/vulnerability/854b23d9-e3f8-4835-8d29-140c580f11c9",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "contact@wpscan.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Visual Link Preview WordPress plugin before 2.2.3 does not enforce authorisation on several AJAX actions and has the CSRF nonce displayed for all authenticated users, allowing any authenticated user (such as subscriber) to call them and 1) Get and search through title and content of Draft post, 2) Get title of a password-protected post as well as 3) Upload an image from an URL"
    },
    {
      "lang": "es",
      "value": "El plugin Visual Link Preview de WordPress versiones anteriores a 2.2.3, no impone una autorización en varias acciones AJAX y presenta el CSRF nonce mostrado para todos los usuarios autenticados, permitiendo a cualquier usuario autenticado (como el suscriptor) llamarlos y 1) Conseguir y buscar mediante el título y el contenido del Borrador de la entrada, 2) conseguir el título de una entrada protegida por contraseña, así como 3) Cargar una imagen desde una URL"
    }
  ],
  "lastModified": "2026-06-17T03:40:22.023",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "FADC95C8-D0FB-4665-BF95-DB21480F1716",
              "versionEndExcluding": "2.2.3"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "contact@wpscan.com"
}