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CVE-2021-24539

Estado: ModificadaMedia (4.8)—

The Coming Soon, Under Construction & Maintenance Mode By Dazzler WordPress plugin before 1.6.7 does not sanitise or escape its description setting when outputting it in the frontend when the Coming Soon mode is enabled, even when the unfiltered_html capability is disallowed, leading to an authenticated Stored Cross-Site Scripting issue

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)

Dazzlersoftware — Coming Soon, Under Construction & Maintenance Mode BY Dazzler

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-24539",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.1,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:H/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 4.8,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 1.7
      }
    ]
  },
  "affected": [
    {
      "source": "contact@wpscan.com",
      "affectedData": [
        {
          "vendor": "Unknown",
          "product": "Coming Soon, Under Construction & Maintenance Mode By Dazzler",
          "versions": [
            {
              "status": "affected",
              "version": "1.6.7",
              "lessThan": "1.6.7",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-11-01T09:15:08.447",
  "references": [
    {
      "url": "https://wpscan.com/vulnerability/4bda5dff-f577-4cd8-a225-c6b4c32f22b4",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://wpscan.com/vulnerability/4bda5dff-f577-4cd8-a225-c6b4c32f22b4",
      "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-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Coming Soon, Under Construction & Maintenance Mode By Dazzler WordPress plugin before 1.6.7 does not sanitise or escape its description setting when outputting it in the frontend when the Coming Soon mode is enabled, even when the unfiltered_html capability is disallowed, leading to an authenticated Stored Cross-Site Scripting issue"
    },
    {
      "lang": "es",
      "value": "El plugin Coming Soon, Under Construction & Maintenance Mode By Dazzler de WordPress versiones anteriores a 1.6.7, no sanea ni escapa de su ajuste de descripción cuando se muestra en el frontend cuando el modo Coming Soon está habilitado, incluso cuando la capacidad unfiltered_html no está permitida, conllevando a un problema de tipo Cross-Site Scripting Almacenado autenticado"
    }
  ],
  "lastModified": "2026-06-17T03:40:12.237",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:dazzlersoftware:coming_soon\\,_under_construction_\\&_maintenance_mode_by_dazzler:*:*:*:*:*:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B55917D4-3060-40B3-B518-E4F92CBE8C23",
              "versionEndExcluding": "1.6.7"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "contact@wpscan.com"
}