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CVE-2021-24419

Estado: ModificadaMedia (4.8)—

The WP YouTube Lyte WordPress plugin before 1.7.16 did not sanitise or escape its lyte_yt_api_key and lyte_notification settings before outputting them back in the page, allowing high privilege users to set XSS payload on them and leading to stored Cross-Site Scripting issues.

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)

WP Youtube Lyte Project — WP Youtube Lyte

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-24419",
  "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": "WP YouTube Lyte",
          "versions": [
            {
              "status": "affected",
              "version": "1.7.16",
              "lessThan": "1.7.16",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-07-12T20:15:08.943",
  "references": [
    {
      "url": "https://m0ze.ru/vulnerability/%5B2021-05-03%5D-%5BWordPress%5D-%5BCWE-79%5D-WP-YouTube-Lyte-WordPress-Plugin-v1.7.15.txt",
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://wpscan.com/vulnerability/0eeff1ee-d11e-4d52-a032-5f5bd8a6a2d7",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://m0ze.ru/vulnerability/%5B2021-05-03%5D-%5BWordPress%5D-%5BCWE-79%5D-WP-YouTube-Lyte-WordPress-Plugin-v1.7.15.txt",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://wpscan.com/vulnerability/0eeff1ee-d11e-4d52-a032-5f5bd8a6a2d7",
      "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"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The WP YouTube Lyte WordPress plugin before 1.7.16 did not sanitise or escape its lyte_yt_api_key and lyte_notification settings before outputting them back in the page, allowing high privilege users to set XSS payload on them and leading to stored Cross-Site Scripting issues."
    },
    {
      "lang": "es",
      "value": "El plugin de WordPress WP YouTube Lyte versiones anteriores a 1.7.16, no sanea o escapa de sus ajustes lyte_yt_api_key y lyte_notification antes de devolverlos a la página, permitiendo a usuarios con privilegios elevados ajustar cargas útiles XSS en ellos y conllevando a problemas de tipo Cross-Site Scripting almacenado"
    }
  ],
  "lastModified": "2026-06-17T03:39:59.733",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:wp_youtube_lyte_project:wp_youtube_lyte:*:*:*:*:*:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "005D3F7E-D6CA-424D-B4E5-AF666DAA6006",
              "versionEndExcluding": "1.7.16"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "contact@wpscan.com"
}