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CVE-2026-105644

Estado: AplazadaMedia (6.8)—

Ghost is a Node.js content management system. From 4.0.0 until 6.67.0, SVG images included in content imports were stored without sanitization. An attacker who convinced an Administrator to import a crafted file could host scripts on the site's domain, possibly resulting in compromise of staff users' admin sessions. This issue is fixed in version 6.67.0.

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.

XSS vía SVG sin sanitizar en importación (CWE-79) permite alojar scripts en el dominio, comprometiendo sesiones de administradores. Requiere interacción del usuario (UI:R).

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

Restrict Web-Based ContentDisable or Remove Feature or ProgramUser TrainingUser Account ManagementExecution PreventionBehavior Prevention on Endpoint

Tecnologías afectadas (1)

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

Ghost — GhostAI

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-105644",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-105644",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-10-06T14:36:07.210854Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.8,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 1.6
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "TryGhost",
          "product": "Ghost",
          "versions": [
            {
              "status": "affected",
              "version": ">= 4.0.0, < 6.67.0"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-10-05T19:17:19.060",
  "references": [
    {
      "url": "https://github.com/TryGhost/Ghost/commit/1be06f4e95a5eb159d14abda7660e689af13cff1",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/TryGhost/Ghost/pull/31060",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/TryGhost/Ghost/releases/tag/v6.66.0",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/TryGhost/Ghost/security/advisories/GHSA-hqq2-xqr2-fmx2",
      "source": "security-advisories@github.com"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        },
        {
          "lang": "en",
          "value": "CWE-434"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Ghost is a Node.js content management system. From 4.0.0 until 6.67.0, SVG images included in content imports were stored without sanitization. An attacker who convinced an Administrator to import a crafted file could host scripts on the site's domain, possibly resulting in compromise of staff users' admin sessions. This issue is fixed in version 6.67.0."
    }
  ],
  "lastModified": "2026-10-06T15:17:13.913",
  "sourceIdentifier": "security-advisories@github.com"
}