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CVE-2025-9637

Estado: AnalizadaMedia (6.5)—

The Quiz and Survey Master (QSM) – Easy Quiz and Survey Maker plugin for WordPress is vulnerable to unauthorized access and modification of data due to a missing capability and status checks on multiple functions in all versions up to, and including, 10.3.1. This makes it possible for unauthenticated attackers to view the details of unpublished, private, or password-protected quizzes, as well as submit file responses to questions from those quizzes, which allow file upload.

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)

Expresstech — Quiz AND Survey Master

CWE

Referencias

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{
  "id": "CVE-2025-9637",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-9637",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-01-06T14:18:50.325082Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security@wordfence.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.5,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security@wordfence.com",
      "affectedData": [
        {
          "vendor": "expresstech",
          "product": "Quiz and Survey Master (QSM) – Easy Quiz and Survey Maker",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "semver",
              "lessThanOrEqual": "10.3.1"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-01-06T10:15:48.940",
  "references": [
    {
      "url": "https://plugins.trac.wordpress.org/browser/quiz-master-next/tags/10.2.6/php/classes/class-qmn-quiz-manager.php#L1987",
      "tags": [
        "Product"
      ],
      "source": "security@wordfence.com"
    },
    {
      "url": "https://plugins.trac.wordpress.org/browser/quiz-master-next/tags/10.2.6/php/classes/class-qmn-quiz-manager.php#L281",
      "tags": [
        "Product"
      ],
      "source": "security@wordfence.com"
    },
    {
      "url": "https://plugins.trac.wordpress.org/browser/quiz-master-next/tags/10.2.6/php/rest-api.php",
      "tags": [
        "Product"
      ],
      "source": "security@wordfence.com"
    },
    {
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/88a9abf4-62a9-4695-87e7-18ff0b0075e9?source=cve",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "security@wordfence.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@wordfence.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Quiz and Survey Master (QSM) – Easy Quiz and Survey Maker plugin for WordPress is vulnerable to unauthorized access and modification of data due to a missing capability and status checks on multiple functions in all versions up to, and including, 10.3.1. This makes it possible for unauthenticated attackers to view the details of unpublished, private, or password-protected quizzes, as well as submit file responses to questions from those quizzes, which allow file upload."
    },
    {
      "lang": "es",
      "value": "El plugin Quiz and Survey Master (QSM) - Easy Quiz and Survey Maker para WordPress es vulnerable a acceso no autorizado y modificación de datos debido a la falta de comprobaciones de capacidad y estado en múltiples funciones en todas las versiones hasta e incluyendo la 10.3.1. Esto hace posible que atacantes no autenticados vean los detalles de cuestionarios no publicados, privados o protegidos con contraseña, así como enviar respuestas de archivos a preguntas de esos cuestionarios que permiten la carga de archivos."
    }
  ],
  "lastModified": "2026-09-30T23:10:00.237",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:expresstech:quiz_and_survey_master:*:*:*:*:*:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7AECAB11-6DCA-4FCF-B614-133BB680CF29",
              "versionEndExcluding": "10.3.2"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@wordfence.com"
}