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CVE-2021-38343

Estado: ModificadaMedia (6.1)—

The Nested Pages WordPress plugin <= 3.1.15 was vulnerable to an Open Redirect via the `page` POST parameter in the `npBulkActions`, `npBulkEdit`, `npListingSort`, and `npCategoryFilter` `admin_post` actions.

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)

Kylephillips — Nested Pages

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-38343",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security@wordfence.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 4.7,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 6.1,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
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        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "security@wordfence.com",
      "affectedData": [
        {
          "vendor": "Kyle Phillips",
          "product": "Nested Pages",
          "versions": [
            {
              "status": "affected",
              "version": "3.1.15",
              "versionType": "custom",
              "lessThanOrEqual": "3.1.15"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-08-30T19:15:09.320",
  "references": [
    {
      "url": "https://www.wordfence.com/blog/2021/08/nested-pages-pat%E2%80%A6on-vulnerability/",
      "source": "security@wordfence.com"
    },
    {
      "url": "https://www.wordfence.com/vulnerability-advisories/",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "nvd@nist.gov"
    },
    {
      "url": "https://www.wordfence.com/blog/2021/08/nested-pages-pat%E2%80%A6on-vulnerability/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@wordfence.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-601"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-601"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Nested Pages WordPress plugin <= 3.1.15 was vulnerable to an Open Redirect via the `page` POST parameter in the `npBulkActions`, `npBulkEdit`, `npListingSort`, and `npCategoryFilter` `admin_post` actions."
    },
    {
      "lang": "es",
      "value": "El plugin Nested Pages WordPress versiones anteriores a  3.1.15 incluyéndola, era vulnerable a una Redirección Abierta por medio del parámetro POST \"page\" en las acciones \"npBulkActions\", \"npBulkEdit\", \"npListingSort\" y \"npCategoryFilter\" \"admin_post\"."
    }
  ],
  "lastModified": "2026-06-17T04:01:54.440",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:kylephillips:nested_pages:*:*:*:*:*:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F4866837-A4BC-4BFE-858F-D4E464A6FAB5",
              "versionEndIncluding": "3.1.15"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@wordfence.com"
}