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CVE-2021-24366

Estado: ModificadaMedia (5.4)—

The Admin Columns WordPress plugin before 4.3 and Admin Columns Pro WordPress plugin before 5.5.1 do not sanitise and escape its Label settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

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)

Admincolumns — Admin Columns

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-24366",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-24366",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-23T13:31:06.779964Z"
        }
      }
    ],
    "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
      },
      {
        "type": "Secondary",
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        "cvssData": {
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          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
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          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.3
      }
    ]
  },
  "affected": [
    {
      "source": "contact@wpscan.com",
      "affectedData": [
        {
          "vendor": "Unknown",
          "product": "Admin Columns",
          "versions": [
            {
              "status": "affected",
              "version": "3.0",
              "lessThan": "4.3",
              "versionType": "semver"
            }
          ],
          "collectionURL": "https://wordpress.org/plugins",
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Unknown",
          "product": "Admin Columns Pro",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "5.5.1",
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            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
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  ],
  "published": "2021-06-21T20:15:08.490",
  "references": [
    {
      "url": "https://github.com/codepress/admin-columns/commit/b45571ed21d574d13687213a5002e0c68e4442c7",
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://wpscan.com/vulnerability/05427156-4d5c-4aeb-add8-1c574fda5c28",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-24366",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://github.com/codepress/admin-columns/commit/b45571ed21d574d13687213a5002e0c68e4442c7",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://wpscan.com/vulnerability/05427156-4d5c-4aeb-add8-1c574fda5c28",
      "tags": [
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        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-24366",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "The Admin Columns WordPress plugin before 4.3 and Admin Columns Pro WordPress plugin before 5.5.1 do not sanitise and escape its Label settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)"
    },
    {
      "lang": "es",
      "value": "El plugin Admin Columns Free de WordPress versiones anteriores a 4.3 y el plugin Admin Columns Pro de WordPress versiones anteriores a 5.5.1, presentaban entradas renderizadas en las páginas publicadas con una comprobación de entrada inapropiada en el valor pasado al parámetro del campo \"Label\", al tomar esto como una ventaja un atacante autenticado puede suministrar un script arbitrario diseñado y ejecutarlo"
    }
  ],
  "lastModified": "2026-06-17T03:39:54.437",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:admincolumns:admin_columns:*:*:*:*:free:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "19FF105C-162F-4C1E-9274-905BDB6B1A6F",
              "versionEndExcluding": "4.3"
            },
            {
              "criteria": "cpe:2.3:a:admincolumns:admin_columns:*:*:*:*:pro:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E5E13B31-074E-4954-954C-234D4952E785",
              "versionEndExcluding": "5.5.1"
            }
          ],
          "operator": "OR"
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      ]
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  ],
  "sourceIdentifier": "contact@wpscan.com"
}