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CVE-2023-6855

Estado: ModificadaMedia (5.3)—

The Paid Memberships Pro – Content Restriction, User Registration, & Paid Subscriptions plugin for WordPress is vulnerable to unauthorized modification of membership levels created by the plugin due to an incorrectly implemented capability check in the pmpro_rest_api_get_permissions_check function in all versions up to 2.12.5 (inclusive). This makes it possible for unauthenticated attackers to change membership levels including prices.

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)

Strangerstudios — Paid Memberships PRO

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2023-6855",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-6855",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-05-08T20:10:28.752548Z"
        }
      }
    ],
    "cvssMetricV31": [
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        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      },
      {
        "type": "Primary",
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          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
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        {
          "vendor": "strangerstudios",
          "product": "Paid Memberships Pro – Content Restriction, User Registration, & Paid Subscriptions",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "semver",
              "lessThanOrEqual": "2.12.5"
            }
          ],
          "defaultStatus": "unaffected"
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  ],
  "published": "2024-01-11T09:15:52.613",
  "references": [
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      "url": "https://plugins.trac.wordpress.org/browser/paid-memberships-pro/trunk/includes/rest-api.php#L528",
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      "tags": [
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    {
      "url": "https://plugins.trac.wordpress.org/changeset/3011575/paid-memberships-pro/trunk/includes/rest-api.php?contextall=1&old=2947813&old_path=%2Fpaid-memberships-pro%2Ftrunk%2Fincludes%2Frest-api.php",
      "tags": [
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    },
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      "tags": [
        "Issue Tracking"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
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      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@wordfence.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ]
    },
    {
      "type": "Secondary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ]
    },
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Paid Memberships Pro – Content Restriction, User Registration, & Paid Subscriptions plugin for WordPress is vulnerable to unauthorized modification of membership levels created by the plugin due to an incorrectly implemented capability check in the pmpro_rest_api_get_permissions_check function in all versions up to 2.12.5 (inclusive). This makes it possible for unauthenticated attackers to change membership levels including prices."
    },
    {
      "lang": "es",
      "value": "El complemento Paid Memberships Pro – Content Restriction, User Registration, & Paid Subscriptions para WordPress es vulnerable a modificaciones no autorizadas de los niveles de membresía creados por el complemento debido a una verificación de capacidad implementada incorrectamente en la función pmpro_rest_api_get_permissions_check en todas las versiones hasta 2.12.5 (incluida). Esto hace posible que atacantes no autenticados cambien los niveles de membresía, incluidos los precios."
    }
  ],
  "lastModified": "2026-06-17T06:51:33.150",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:strangerstudios:paid_memberships_pro:*:*:*:*:*:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D4FD7670-513A-4A2C-8758-7478323585A8",
              "versionEndIncluding": "2.12.5"
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          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@wordfence.com"
}