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CVE-2020-20406

Estado: ModificadaMedia (5.4)—

A stored XSS vulnerability exists in the Custom Link Attributes control Affect function in Elementor Page Builder 2.9.2 and earlier versions. It is caused by inadequate filtering on the link custom attributes.

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)

Elementor — Elementor Page Builder

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-20406",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 5.4,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.3
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-09-16T20:15:13.897",
  "references": [
    {
      "url": "https://wordpress.org/plugins/elementor/#developers",
      "tags": [
        "Product",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://wordpress.org/plugins/elementor/#developers",
      "tags": [
        "Product",
        "Third Party Advisory"
      ],
      "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": "A stored XSS vulnerability exists in the Custom Link Attributes control Affect function in Elementor Page Builder 2.9.2 and earlier versions. It is caused by inadequate filtering on the link custom attributes."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de tipo XSS almacenado en la función Afectada de control de Custom Link Attributes en Elementor Page Builder versiones 2.9.2 y anteriores. Es debido a un filtrado inadecuado de los atributos personalizados del enlace"
    }
  ],
  "lastModified": "2026-06-17T03:02:59.230",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:elementor:elementor_page_builder:*:*:*:*:*:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C8A135B5-51CB-4279-AE03-11C352C18D53",
              "versionEndIncluding": "2.9.2"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}