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CVE-2021-24428

Estado: ModificadaMedia (4.8)—

The RSS for Yandex Turbo WordPress plugin through 1.30 does not sanitise or escape some of its settings before saving and outputing them in the admin dashboard, leading to an Authenticated Stored Cross-Site Scripting issue even when the unfiltered_html capability is disallowed.

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)

Yandex — Yandex Turbo

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-24428",
  "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": 4.8,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 1.7
      }
    ]
  },
  "affected": [
    {
      "source": "contact@wpscan.com",
      "affectedData": [
        {
          "vendor": "Unknown",
          "product": "RSS for Yandex Turbo",
          "versions": [
            {
              "status": "affected",
              "version": "1.30",
              "versionType": "custom",
              "lessThanOrEqual": "1.30"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-08-02T11:15:08.827",
  "references": [
    {
      "url": "https://m0ze.ru/vulnerability/%5B2021-04-23%5D-%5BWordPress%5D-%5BCWE-79%5D-RSS-for-Yandex-Turbo-WordPress-Plugin-v1.30.txt",
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://wpscan.com/vulnerability/9fcf6ebe-01d9-4730-a20e-58b192bb6d87",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://m0ze.ru/vulnerability/%5B2021-04-23%5D-%5BWordPress%5D-%5BCWE-79%5D-RSS-for-Yandex-Turbo-WordPress-Plugin-v1.30.txt",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://wpscan.com/vulnerability/9fcf6ebe-01d9-4730-a20e-58b192bb6d87",
      "tags": [
        "Third Party 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 RSS for Yandex Turbo WordPress plugin through 1.30 does not sanitise or escape some of its settings before saving and outputing them in the admin dashboard, leading to an Authenticated Stored Cross-Site Scripting issue even when the unfiltered_html capability is disallowed."
    },
    {
      "lang": "es",
      "value": "El plugin RSS para Yandex Turbo WordPress versiones hasta 1.30,  no sanea o escapa de algunas de sus configuraciones antes de guardarlas y mostrarlas en el panel de administración, conllevando a un problema de tipo Cross-Site Scripting Almacenado y Autenticado, incluso cuando la capacidad unfiltered_html no está permitida"
    }
  ],
  "lastModified": "2026-06-17T03:40:00.563",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:yandex:yandex_turbo:*:*:*:*:*:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2EE3AF0F-302B-4351-AE9D-32A5FF1333C4",
              "versionEndIncluding": "1.30"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "contact@wpscan.com"
}