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CVE-2021-24633

Estado: ModificadaMedia (4.3)—

The Countdown Block WordPress plugin before 1.1.2 does not have authorisation in the eb_write_block_css AJAX action, which allows any authenticated user, such as Subscriber, to modify post contents displayed to users.

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)

Wpdeveloper — Countdown Block

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-24633",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
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        "source": "nvd@nist.gov",
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          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
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        "acInsufInfo": false,
        "impactScore": 2.9,
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          "integrityImpact": "LOW",
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        },
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      }
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  },
  "affected": [
    {
      "source": "contact@wpscan.com",
      "affectedData": [
        {
          "vendor": "Unknown",
          "product": "Countdown Block",
          "versions": [
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              "status": "affected",
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  "published": "2021-09-27T16:15:08.743",
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  "vulnStatus": "Modified",
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      "description": [
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          "lang": "en",
          "value": "CWE-862"
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      "description": [
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      "value": "The Countdown Block WordPress plugin before 1.1.2 does not have authorisation in the eb_write_block_css AJAX action, which allows any authenticated user, such as Subscriber, to modify post contents displayed to users."
    },
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      "value": "El plugin Countdown Block de WordPress versiones anteriores a 1.1.2, no dispone de autorización en la acción AJAX eb_write_block_css, permitiendo a cualquier usuario autenticado, como Subscriber, modificar el contenido de la entrada que se muestra a usuarios"
    }
  ],
  "lastModified": "2026-06-17T03:40:21.813",
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