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CVE-2021-24538

Estado: ModificadaMedia (5.4)—

El plugin de WordPress Current Book versiones hasta 1.0.1, no sanea la entrada del usuario cuando un usuario autenticado añade el autor o el título del libro, y luego no escapa de estos valores cuando se envían al navegador, conllevando a un problema de tipo XSS Almacenado Autenticado.

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)

Current Book Project — Current Book

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-24538",
  "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
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    "cvssMetricV31": [
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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",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
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        "exploitabilityScore": 2.3
      }
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  },
  "affected": [
    {
      "source": "contact@wpscan.com",
      "affectedData": [
        {
          "vendor": "Unknown",
          "product": "Current Book",
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              "version": "1.0.1",
              "versionType": "custom",
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            }
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  "published": "2021-08-16T11:15:09.107",
  "references": [
    {
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        "Third Party Advisory"
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        "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 Current Book WordPress plugin through 1.0.1 does not sanitize user input when an authenticated user adds Author or Book Title, then does not escape these values when outputting to the browser leading to an Authenticated Stored XSS Cross-Site Scripting issue."
    },
    {
      "lang": "es",
      "value": "El plugin de WordPress Current Book versiones hasta 1.0.1, no sanea la entrada del usuario cuando un usuario autenticado añade el autor o el título del libro, y luego no escapa de estos valores cuando se envían al navegador, conllevando a un problema de tipo XSS Almacenado Autenticado."
    }
  ],
  "lastModified": "2026-06-17T03:40:12.137",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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}