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CVE-2021-24123

Estado: ModificadaAlta (7.2)—

Arbitrary file upload in the PowerPress WordPress plugin, versions before 8.3.8, did not verify some of the uploaded feed images (such as the ones from Podcast Artwork section), allowing high privilege accounts (admin+) being able to upload arbitrary files, such as php, leading to RCE.

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)

Blubrry — Powerpress

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-24123",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.2,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.2
      }
    ]
  },
  "affected": [
    {
      "source": "contact@wpscan.com",
      "affectedData": [
        {
          "vendor": "Unknown",
          "product": "PowerPress",
          "versions": [
            {
              "status": "affected",
              "version": "8.3.8",
              "lessThan": "8.3.8",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-03-18T15:15:13.573",
  "references": [
    {
      "url": "https://wpscan.com/vulnerability/43aa30bf-eaf8-467a-93a1-78f9bdb37b36",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://wpscan.com/vulnerability/43aa30bf-eaf8-467a-93a1-78f9bdb37b36",
      "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-434"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-434"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Arbitrary file upload in the PowerPress WordPress plugin, versions before 8.3.8, did not verify some of the uploaded feed images (such as the ones from Podcast Artwork section), allowing high privilege accounts (admin+) being able to upload arbitrary files, such as php, leading to RCE."
    },
    {
      "lang": "es",
      "value": "Una carga arbitraria de archivos en el plugin de WordPress PowerPress, versiones anteriores a 8.3.8, no comprobaba algunas de las imágenes de fuentes cargadas (como las de la sección de ilustraciones de Podcast), permitiendo que las cuentas de alto privilegio (admin+) puedan cargar archivos arbitrarios, como php, lo que conlleva a una RCE"
    }
  ],
  "lastModified": "2026-06-17T03:39:25.933",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:blubrry:powerpress:*:*:*:*:*:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A2BBE365-519E-4728-B22E-A3EA9C467D8D",
              "versionEndExcluding": "8.3.8"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "contact@wpscan.com"
}