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CVE-2026-77137

Estado: AplazadaAlta (7.7)—

The extension fails to properly sanitize user input before using it in a database query. As a result, a low-privileged backend user can inject arbitrary SQL through a URL parameter within the "Forms Export" backend module. Exploitation requires a low-privileged backend user and read access to the "Forms Export" Backend module.

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).

🎯 Técnicas ATT&CK

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

SQL injection (CWE-89) en módulo backend requiere credenciales (PR:L) y acceso de red sin interacción; afecta confidencialidad e integridad de datos en BBDD.

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

Vulnerability ScanningThreat Intelligence ProgramRestrict File and Directory PermissionsPrivileged Account ManagementRemote Data StorageNetwork Segmentation

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-77137",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-77137",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-08-25T14:06:26.353224Z"
        }
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "f4fb688c-4412-4426-b4b8-421ecf27b14a",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 7.7,
          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "exploitMaturity": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "attackRequirements": "PRESENT",
          "privilegesRequired": "LOW",
          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "HIGH",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "vulnAvailabilityImpact": "HIGH",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
      }
    ]
  },
  "affected": [
    {
      "source": "f4fb688c-4412-4426-b4b8-421ecf27b14a",
      "affectedData": [
        {
          "vendor": "TYPO3",
          "product": "Extension \"Forms Export\"",
          "versions": [
            {
              "status": "affected",
              "version": "7.0.0",
              "lessThan": "7.1.1",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "6.0.0",
              "lessThan": "6.1.3",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "0",
              "lessThan": "5.0.5",
              "versionType": "semver"
            }
          ],
          "packageName": "frappant/frp-form-answers",
          "collectionURL": "https://packagist.org/",
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-08-25T09:17:34.343",
  "references": [
    {
      "url": "https://typo3.org/security/advisory/typo3-ext-sa-2026-027",
      "source": "f4fb688c-4412-4426-b4b8-421ecf27b14a"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "f4fb688c-4412-4426-b4b8-421ecf27b14a",
      "description": [
        {
          "lang": "en",
          "value": "CWE-89"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The extension fails to properly sanitize user input before using it in a database query. As a result, a low-privileged backend user can inject arbitrary SQL through a URL parameter within the \"Forms Export\" backend module. Exploitation requires a low-privileged backend user and read access to the \"Forms Export\" Backend module."
    },
    {
      "lang": "es",
      "value": "La extensión no logra sanear correctamente la entrada del usuario antes de usarla en una consulta a la base de datos. Como resultado, un usuario de backend con privilegios bajos puede inyectar SQL arbitrario a través de un parámetro de URL dentro del módulo de backend Forms Export. La explotación requiere un usuario de backend con privilegios bajos y acceso de lectura al módulo de backend Forms Export."
    }
  ],
  "lastModified": "2026-09-28T23:10:00.143",
  "sourceIdentifier": "f4fb688c-4412-4426-b4b8-421ecf27b14a"
}