CVE-2026-82183

Estado: AplazadaAlta (8.1)—

The OAuth Single Sign On WordPress plugin before 7.0.1 does not verify the identity assertion returned by its Steam single sign-on flow, allowing unauthenticated attackers to log in as an arbitrary non-administrator user, and to create new accounts.

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: 0.38%
Percentil entre todas las CVEs puntuadas: 30
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 access95 %
Impacto principalT1078 Valid Accountsstealth · persistence · privilege escalation · initial access95 %
Impacto secundarioT1136 Create Accountpersistence75 %

AV:N sin autenticación permite exploit remoto de validación OAuth. Los atacantes logran acceso sin credenciales (T1078) y crear cuentas nuevas (T1136) mediante assertion forjada.

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 Network Segmentation Multi-factor Authentication Application Developer Guidance Active Directory Configuration Vulnerability Scanning

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Miniorange — Oauth Single Sign ON^AI

CWE

CWE-287

Referencias

https://wpscan.com/vulnerability/bc7c18f2-4e8c-47a3-a972-6162fd27aaca/

JSON original (NVD)

Mostrar

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  "metrics": {
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      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-82183",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-09-02T10:38:21.214427Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
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        "cvssData": {
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          "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": "OAuth Single Sign On",
          "versions": [
            {
              "status": "affected",
              "version": "6.25.0",
              "lessThan": "7.0.1",
              "versionType": "semver"
            }
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  ],
  "published": "2026-09-02T06:17:19.987",
  "references": [
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      "url": "https://wpscan.com/vulnerability/bc7c18f2-4e8c-47a3-a972-6162fd27aaca/",
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      "value": "The OAuth Single Sign On  WordPress plugin before 7.0.1 does not verify the identity assertion returned by its Steam single sign-on flow, allowing unauthenticated attackers to log in as an arbitrary non-administrator user, and to create new accounts."
    }
  ],
  "lastModified": "2026-09-03T17:50:37.690",
  "sourceIdentifier": "contact@wpscan.com"
}