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CVE-2026-27146

Estado: AnalizadaAlta (7.1)—

GetSimple CMS is a content management system. All versions of GetSimple CMS do not implement CSRF protection on the administrative file upload endpoint. As a result, an attacker can craft a malicious web page that silently triggers a file upload request from an authenticated victim’s browser. The request is accepted without requiring a CSRF token or origin validation. This allows an attacker to upload arbitrary files to the application without the victim’s knowledge or consent. In order to exploit this vulnerability, the victim must be authenticated to GetSimple CMS (e.g., admin user), and visit an attacker-controlled webpage. This issue does not have a fix at the time of publication.

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.

Inferido por reglas deterministas a partir del vector CVSS y la CWE. Solo orientativo.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

User Account ManagementUser TrainingDisable or Remove Feature or ProgramApplication Isolation and SandboxingExploit ProtectionUpdate Software

Tecnologías afectadas (1)

Getsimple-ce — Getsimple CMS

CWE

Referencias

JSON original (NVD)

Mostrar
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  "weaknesses": [
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      "description": [
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          "value": "CWE-352"
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          "value": "CWE-434"
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      "value": "GetSimple CMS is a content management system. All versions of GetSimple CMS do not implement CSRF protection on the administrative file upload endpoint. As a result, an attacker can craft a malicious web page that silently triggers a file upload request from an authenticated victim’s browser. The request is accepted without requiring a CSRF token or origin validation. This allows an attacker to upload arbitrary files to the application without the victim’s knowledge or consent. In order to exploit this vulnerability, the victim must be authenticated to GetSimple CMS (e.g., admin user), and visit an attacker-controlled webpage. This issue does not have a fix at the time of publication."
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      "value": "GetSimple CMS es un sistema de gestión de contenido. Todas las versiones de GetSimple CMS no implementan protección CSRF en el endpoint de carga de archivos de administración. Como resultado, un atacante puede crear una página web maliciosa que activa silenciosamente una solicitud de carga de archivos desde el navegador de una víctima autenticada. La solicitud es aceptada sin requerir un token CSRF o validación de origen. Esto permite a un atacante cargar archivos arbitrarios a la aplicación sin el conocimiento o consentimiento de la víctima. Para explotar esta vulnerabilidad, la víctima debe estar autenticada en GetSimple CMS (p. ej., usuario administrador) y visitar una página web controlada por el atacante. En el momento de esta publicación el problema aún no estaba resuelto."
    }
  ],
  "lastModified": "2026-06-17T10:26:45.367",
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