CVE-2026-58409

{
  "id": "CVE-2026-58409",
  "sourceIdentifier": "[email protected]",
  "published": "2026-07-13T21:16:48.450",
  "lastModified": "2026-10-24T22:10:00.210",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "ChurchCRM is an open-source church management system. Prior to version 7.4.0, an authenticated administrator can achieve Remote Code Execution (RCE) on the server by installing a malicious plugin ZIP archive containing a PHP webshell. The application explicitly includes 'php' in its ALLOWED_EXTENSIONS list, while the dangerous extensions denylist (DENIED_EXTENSIONS) fails to block standard .php files. Because `php` is explicitly included in the allowed extension list for plugin archives, and extracted files are placed directly under the web root, any PHP file inside the ZIP becomes immediately executable via HTTP — without even needing to \"enable\" the plugin through the application UI. The /plugins/install-url API route (management.php) allows an administrator to source the malicious ZIP from any attacker-controlled HTTPS URL, validating it only against an attacker-supplied SHA-256 hash. This issue has been fixed in version 7.4.0."
    },
    {
      "lang": "es",
      "value": "ChurchCRM es un sistema de gestión de iglesias de código abierto. Antes de la versión 7.4.0, un administrador autenticado puede lograr la ejecución remota de código (RCE) en el servidor mediante la instalación de un archivo ZIP de plugin malicioso que contiene una webshell PHP. La aplicación incluye explícitamente ’php’ en su lista ALLOWED_EXTENSIONS, mientras que la lista de denegación de extensiones peligrosas (DENIED_EXTENSIONS) no logra bloquear los archivos .php estándar. Debido a que ’php’ está explícitamente incluido en la lista de extensiones permitidas para archivos de plugin, y los archivos extraídos se colocan directamente bajo la raíz web, cualquier archivo PHP dentro del ZIP se vuelve inmediatamente ejecutable a través de HTTP - sin siquiera necesitar ’habilitar’ el plugin a través de la interfaz de usuario de la aplicación. La ruta de API /plugins/install-url (management.php) permite a un administrador obtener el ZIP malicioso desde cualquier URL HTTPS controlada por el atacante, validándolo únicamente contra un hash SHA-256 proporcionado por el atacante. Este problema ha sido solucionado en la versión 7.4.0."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "ChurchCRM",
          "product": "CRM",
          "versions": [
            {
              "version": "< 7.4.0",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
          "baseScore": 9.1,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 6.0
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-07-14T13:06:09.208919Z",
          "id": "CVE-2026-58409",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-434"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/ChurchCRM/CRM/security/advisories/GHSA-37mf-vq43-5qp9",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/ChurchCRM/CRM/security/advisories/GHSA-37mf-vq43-5qp9",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ]
}