{
  "id": "CVE-2024-4891",
  "sourceIdentifier": "security@wordfence.com",
  "published": "2024-05-18T05:15:46.917",
  "lastModified": "2025-01-30T15:45:34.377",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Essential Blocks \u2013 Page Builder Gutenberg Blocks, Patterns & Templates plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the \u2018tagName\u2019 parameter in versions up to, and including, 4.5.12 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."
    },
    {
      "lang": "es",
      "value": " El complemento Essential Blocks \u2013 Page Builder Gutenberg Blocks, Patterns & Templates para WordPress es vulnerable a cross site scripting almacenado a trav\u00e9s del par\u00e1metro 'tagName' en versiones hasta la 4.5.12 incluida debido a una sanitizaci\u00f3n de entrada y un escape de salida insuficientes. Esto hace posible que atacantes autenticados, con permisos de nivel de colaborador y superiores, inyecten scripts web arbitrarios en p\u00e1ginas que se ejecutar\u00e1n cada vez que un usuario acceda a una p\u00e1gina inyectada."
    }
  ],
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        "source": "security@wordfence.com",
        "type": "Secondary",
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          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N",
          "baseScore": 6.4,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 3.1,
        "impactScore": 2.7
      },
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
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          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "REQUIRED",
          "scope": "CHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 2.7
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "criteria": "cpe:2.3:a:wpdeveloper:essential_blocks:*:*:*:*:free:wordpress:*:*",
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  "references": [
    {
      "url": "https://plugins.trac.wordpress.org/browser/essential-blocks/trunk/blocks/AdvancedHeading.php#L115",
      "source": "security@wordfence.com",
      "tags": [
        "Product"
      ]
    },
    {
      "url": "https://plugins.trac.wordpress.org/changeset/3087677/",
      "source": "security@wordfence.com",
      "tags": [
        "Product"
      ]
    },
    {
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/e1bcebb3-920b-40cc-aa5c-24a1f729b28d?source=cve",
      "source": "security@wordfence.com",
      "tags": [
        "Third Party Advisory"
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    },
    {
      "url": "https://plugins.trac.wordpress.org/browser/essential-blocks/trunk/blocks/AdvancedHeading.php#L115",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Product"
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      "url": "https://plugins.trac.wordpress.org/changeset/3087677/",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
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    },
    {
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/e1bcebb3-920b-40cc-aa5c-24a1f729b28d?source=cve",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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}