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CVE-2026-34558

Estado: AnalizadaCrítica (9)—

CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to version 0.31.0.0, the application fails to properly sanitize user-controlled input within the Methods Management functionality when creating or managing application methods/pages. Multiple input fields accept attacker-controlled JavaScript payloads that are stored server-side without sanitization or output encoding. These stored values are later rendered directly into administrative interfaces and global navigation components without proper encoding, resulting in Stored DOM-Based Cross-Site Scripting (XSS). This issue has been patched in version 0.31.0.0.

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 almacenado en interfaz administrativa (CWE-79) con UI:R; ejecuta JS en navegador admin. Acceso a credenciales/sesiones via script injected.

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

Tecnologías afectadas (1)

CWE

Referencias

JSON original (NVD)

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  "cveTags": [],
  "metrics": {
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        "ssvcData": {
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          "role": "CISA Coordinator",
          "options": [
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          "version": "2.0.3",
          "timestamp": "2026-03-31T15:25:04.512810Z"
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L",
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          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
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        "exploitabilityScore": 3.1
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  "weaknesses": [
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      "description": [
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          "value": "CWE-79"
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  ],
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      "value": "CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to version 0.31.0.0, the application fails to properly sanitize user-controlled input within the Methods Management functionality when creating or managing application methods/pages. Multiple input fields accept attacker-controlled JavaScript payloads that are stored server-side without sanitization or output encoding. These stored values are later rendered directly into administrative interfaces and global navigation components without proper encoding, resulting in Stored DOM-Based Cross-Site Scripting (XSS). This issue has been patched in version 0.31.0.0."
    },
    {
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      "value": "CI4MS es un esqueleto de CMS basado en CodeIgniter 4 que ofrece una arquitectura modular lista para producción con autorización RBAC y soporte de temas. Antes de la versión 0.31.0.0, la aplicación no logra sanear correctamente la entrada controlada por el usuario dentro de la funcionalidad de Gestión de Métodos al crear o gestionar métodos/páginas de la aplicación. Múltiples campos de entrada aceptan cargas útiles de JavaScript controladas por el atacante que se almacenan en el servidor sin saneamiento ni codificación de salida. Estos valores almacenados se renderizan posteriormente directamente en interfaces administrativas y componentes de navegación global sin la codificación adecuada, lo que resulta en Cross-Site Scripting (XSS) persistente basado en DOM. Este problema ha sido parcheado en la versión 0.31.0.0."
    }
  ],
  "lastModified": "2026-06-17T10:39:14.050",
  "configurations": [
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