CVE-2021-24208

{
  "id": "CVE-2021-24208",
  "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
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 5.4,
          "attackVector": "NETWORK",
          "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"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.3
      }
    ]
  },
  "affected": [
    {
      "source": "contact@wpscan.com",
      "affectedData": [
        {
          "vendor": "Unknown",
          "product": "WP Page Builder",
          "versions": [
            {
              "status": "affected",
              "version": "1.2.4",
              "lessThan": "1.2.4",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-04-05T19:15:17.343",
  "references": [
    {
      "url": "https://wpscan.com/vulnerability/c20e243d-b0de-4ae5-9a0d-b9d02c9b8141",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://www.themeum.com/wp-page-builder-updated-v1-2-4/",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://wpscan.com/vulnerability/c20e243d-b0de-4ae5-9a0d-b9d02c9b8141",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.themeum.com/wp-page-builder-updated-v1-2-4/",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "contact@wpscan.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The editor of the WP Page Builder WordPress plugin before 1.2.4 allows lower-privileged users to insert unfiltered HTML, including JavaScript, into pages via the “Raw HTML” widget and the “Custom HTML” widgets (though the custom HTML widget requires sending a crafted request - it appears that this widget uses some form of client side validation but not server side validation), all of which are added via the “page_builder_data” parameter when performing the “wppb_page_save” AJAX action. It is also possible to insert malicious JavaScript via the “wppb_page_css” parameter (this can be done by closing out the style tag and opening a script tag) when performing the “wppb_page_save” AJAX action."
    },
    {
      "lang": "es",
      "value": "El editor del plugin de WordPress WP Page Builder versiones anteriores a 1.2.4, permite a usuarios menos privilegiados insertar HTML sin filtrar, incluido JavaScript, en las páginas por medio del widget \"Raw HTML\" y los widgets \"Custom HTML\" (aunque el widget HTML personalizado requiere el envío una petición diseñada (parece que este widget utiliza alguna forma de comprobación del lado del cliente pero no del lado del servidor), todos los cuales son agregados por medio del parámetro \"page_builder_data\" al realizar la acción AJAX \"wppb_page_save\". También es posible insertar JavaScript malicioso por medio del parámetro \"wppb_page_css\" (esto puede ser realizado al cerrar la etiqueta de estilo y abriendo una etiqueta de script) cuando se lleva a cabo la acción AJAX  \"wppb_page_save\""
    }
  ],
  "lastModified": "2026-06-17T03:39:36.190",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:themeum:wp_page_builder:*:*:*:*:*:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "47020215-1D45-40AC-A57A-65F118C6510E",
              "versionEndExcluding": "1.2.4"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "contact@wpscan.com"
}