{
  "id": "CVE-2021-24153",
  "sourceIdentifier": "contact@wpscan.com",
  "published": "2021-04-05T19:15:14.560",
  "lastModified": "2021-04-09T19:36:44.997",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "A Stored Cross-Site Scripting vulnerability was discovered in the Yoast SEO WordPress plugin before 3.4.1, which had built-in blacklist filters which were blacklisting Parenthesis as well as several functions such as alert but bypasses were found."
    },
    {
      "lang": "es",
      "value": "Se detect\u00f3 una vulnerabilidad de tipo Cross-Site Scripting Almacenado en el plugin Yoast SEO WordPress versiones anteriores a 3.4.1, que ten\u00eda filtros de lista negra incorporados que inclu\u00edan par\u00e9ntesis en la lista negra, as\u00ed como varias funciones como alertas pero se encontraron omisiones"
    }
  ],
  "metrics": {
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        "type": "Primary",
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          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "REQUIRED",
          "scope": "CHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 2.7
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "SINGLE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE",
          "baseScore": 3.5
        },
        "baseSeverity": "LOW",
        "exploitabilityScore": 6.8,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    },
    {
      "source": "contact@wpscan.com",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:yoast:yoast_seo:*:*:*:*:*:wordpress:*:*",
              "versionEndExcluding": "3.4.1",
              "matchCriteriaId": "1CDDDA6D-76CF-4003-9739-A9DE41F076AB"
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  ],
  "references": [
    {
      "url": "https://packetstormsecurity.com/files/138192/",
      "source": "contact@wpscan.com",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://plugins.trac.wordpress.org/changeset/1466243/wordpress-seo",
      "source": "contact@wpscan.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://wpscan.com/vulnerability/77810044-394d-4314-b9a1-20c7dca726dc",
      "source": "contact@wpscan.com",
      "tags": [
        "Third Party Advisory"
      ]
    }
  ]
}