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CVE-2021-24611

Estado: ModificadaMedia (5.4)—

El plugin Keyword Meta WordPress versiones hasta 3.0, no sanea ni escapa sus ajustes antes de devolverlos a la página después de ser guardados, permitiendo problemas de tipo Cross-Site Scripting. Además, también carece de cualquier comprobación de tipo CSRF, que permite a un atacante hacer que un usuario con privilegios elevados guarde una configuración arbitraria por medio de un ataque CSRF.

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)

Keyword Meta Project — Keyword Meta

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-24611",
  "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": "Keyword Meta",
          "versions": [
            {
              "status": "affected",
              "version": "3.0",
              "versionType": "custom",
              "lessThanOrEqual": "3.0"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-09-06T11:15:08.703",
  "references": [
    {
      "url": "https://wpscan.com/vulnerability/b4a2e595-6971-4a2a-a346-ac4445a5e0cd",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://wpscan.com/vulnerability/b4a2e595-6971-4a2a-a346-ac4445a5e0cd",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "contact@wpscan.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        },
        {
          "lang": "en",
          "value": "CWE-352"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        },
        {
          "lang": "en",
          "value": "CWE-352"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Keyword Meta WordPress plugin through 3.0 does not sanitise of escape its settings before outputting them back in the page after they are saved, allowing for Cross-Site Scripting issues. Furthermore, it is also lacking any CSRF check, allowing attacker to make a logged in high privilege user save arbitrary setting via a CSRF attack."
    },
    {
      "lang": "es",
      "value": "El plugin Keyword Meta WordPress versiones hasta 3.0, no sanea ni escapa sus ajustes antes de devolverlos a la página después de ser guardados, permitiendo problemas de tipo Cross-Site Scripting. Además, también carece de cualquier comprobación de tipo CSRF, que permite a un atacante hacer que un usuario con privilegios elevados guarde una configuración arbitraria por medio de un ataque CSRF."
    }
  ],
  "lastModified": "2026-06-17T03:40:19.523",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:keyword_meta_project:keyword_meta:*:*:*:*:*:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "254F6EC6-BAA5-4ABF-ABB3-F840854666B7",
              "versionEndIncluding": "3.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "contact@wpscan.com"
}