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CVE-2021-24637

Estado: ModificadaMedia (5.4)—

The Google Fonts Typography WordPress plugin before 3.0.3 does not escape and sanitise some of its block settings, allowing users with as role as low as Contributor to perform Stored Cross-Site Scripting attacks via blockType (combined with content), align, color, variant and fontID argument of a Gutenberg block.

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)

Fontsplugin — Fonts

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2021-24637",
  "cveTags": [],
  "metrics": {
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "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,
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          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
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          "userInteraction": "REQUIRED",
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          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.3
      }
    ]
  },
  "affected": [
    {
      "source": "contact@wpscan.com",
      "affectedData": [
        {
          "vendor": "Unknown",
          "product": "Fonts Plugin | Google Fonts Typography",
          "versions": [
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              "status": "affected",
              "version": "3.0.3",
              "lessThan": "3.0.3",
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            }
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  ],
  "published": "2021-09-20T10:15:09.370",
  "references": [
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      "url": "https://wpscan.com/vulnerability/dd2b3f22-5e8b-41cf-bcb8-d2e673e1d21e",
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        "Third Party Advisory"
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        "Third Party Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Secondary",
      "source": "contact@wpscan.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Google Fonts Typography WordPress plugin before 3.0.3 does not escape and sanitise some of its block settings, allowing users with as role as low as Contributor to perform Stored Cross-Site Scripting attacks via blockType (combined with content), align, color, variant and fontID argument of a Gutenberg block."
    },
    {
      "lang": "es",
      "value": "El plugin Google Fonts Typography de WordPress versiones anteriores a 3.0.3, no escapa ni sanea algunas de sus configuraciones de bloque, permitiendo a usuarios con un rol tan bajo como el de Contribuyente llevar a cabo ataques de tipo Cross-Site Scripting Almacenado por medio del argumento blockType (combinado con el contenido), align, color, variant y fontID de un bloque de Gutenberg"
    }
  ],
  "lastModified": "2026-06-17T03:40:22.230",
  "configurations": [
    {
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  "sourceIdentifier": "contact@wpscan.com"
}