CVE-2025-2594

Estado: AnalizadaAlta (8.1)—

The User Registration & Membership WordPress plugin before 4.1.3 does not properly validate data in an AJAX action when the Membership Addon is enabled, allowing attackers to authenticate as any user, including administrators, by simply using the target account's user ID.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 8.1

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 9.52%
Percentil entre todas las CVEs puntuadas: 95
Fecha de la puntuación: 5/10/2026

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1190 Exploit Public-Facing Applicationinitial access90 %
Impacto principalT1078.001 Default Accountsstealth · persistence · privilege escalation · initial access85 %
Impacto secundarioT1068 Exploitation for Privilege Escalationprivilege escalation70 %
Impacto secundarioT1098.002 Additional Email Delegate Permissionspersistence · privilege escalation75 %

AV:N sin UI indica explotación remota de app web (T1190). La falta de validación en AJAX permite autenticarse como cualquier usuario (T1078.001), incluyendo admin (escalada T1068), y manipular cuentas (T1098.002).

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Privileged Account Management Multi-factor Authentication Application Isolation and Sandboxing Exploit Protection Update Software Vulnerability Scanning

Tecnologías afectadas (1)

Wpeverest — User Registration & Membership

CWE

NVD-CWE-noinfo

Referencias

https://wpscan.com/vulnerability/1c1be47a-d5c0-4ac1-b9fd-475b382a7d8f/

JSON original (NVD)

Mostrar

{
  "id": "CVE-2025-2594",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-2594",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-22T14:39:54.962717Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.1,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
    {
      "source": "contact@wpscan.com",
      "affectedData": [
        {
          "vendor": "Unknown",
          "product": "User Registration & Membership",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "4.1.3",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2025-04-22T06:15:44.860",
  "references": [
    {
      "url": "https://wpscan.com/vulnerability/1c1be47a-d5c0-4ac1-b9fd-475b382a7d8f/",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "contact@wpscan.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The User Registration & Membership WordPress plugin before 4.1.3 does not properly validate data in an AJAX action when the Membership Addon is enabled, allowing attackers to authenticate as any user, including administrators, by simply using the target account's user ID."
    },
    {
      "lang": "es",
      "value": "El complemento User Registration &amp; Membership de WordPress anterior a la versión 4.1.3 no valida correctamente los datos en una acción AJAX cuando el complemento de membresía está habilitado, lo que permite a los atacantes autenticarse como cualquier usuario, incluidos los administradores, simplemente usando el ID de usuario de la cuenta de destino."
    }
  ],
  "lastModified": "2026-06-17T09:07:15.017",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:wpeverest:user_registration_\\&_membership:*:*:*:*:free:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6640CB90-56BC-4065-BF6D-2FE498EA0B30",
              "versionEndExcluding": "4.1.3"
            },
            {
              "criteria": "cpe:2.3:a:wpeverest:user_registration_\\&_membership:*:*:*:*:pro:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D2B24846-7730-436E-B383-B7026269929F",
              "versionEndExcluding": "5.1.3"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "contact@wpscan.com"
}