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CVE-2021-24893

Estado: ModificadaAlta (7.5)—

The Stars Rating WordPress plugin before 3.5.1 does not validate the submitted rating, allowing submission of long integer, causing a Denial of Service in the comments section, or pending comment dashboard depending if the user sent it as unauthenticated or authenticated.

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)

Stars Rating Project — Stars Rating

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-24893",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "contact@wpscan.com",
      "affectedData": [
        {
          "vendor": "Unknown",
          "product": "Stars Rating",
          "versions": [
            {
              "status": "affected",
              "version": "3.5.1",
              "lessThan": "3.5.1",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2022-01-03T13:15:08.317",
  "references": [
    {
      "url": "https://wpscan.com/vulnerability/05d3af69-20b4-499a-8322-2b53674d6a58",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://wpscan.com/vulnerability/05d3af69-20b4-499a-8322-2b53674d6a58",
      "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-400"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Stars Rating WordPress plugin before 3.5.1 does not validate the submitted rating, allowing submission of long integer, causing a Denial of Service in the comments section, or pending comment dashboard depending if the user sent it as unauthenticated or authenticated."
    },
    {
      "lang": "es",
      "value": "El plugin Stars Rating de WordPress versiones anteriores a 3.5.1, no comprueba la valoración enviada, permitiendo el envío de enteros largos, causando una Denegación de Servicio en la sección de comentarios, o en el tablero de comentarios pendientes dependiendo de si el usuario lo envió como no autenticado o autenticado"
    }
  ],
  "lastModified": "2026-06-17T03:41:05.400",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:stars_rating_project:stars_rating:*:*:*:*:*:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6A36E12B-0A8A-441D-BE8D-7E4979AA33D3",
              "versionEndExcluding": "3.5.1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "contact@wpscan.com"
}