CVE-2026-75574

The Grav Email plugin (getgrav/grav-plugin-email) before 4.2.2 renders page-editor-controlled Email action parameters as unsandboxed Twig templates. An authenticated remote user with only api.access and api.pages.write permissions can place a Twig expression in header.form.process.email.body, publish the page, and submit the form to execute an arbitrary operating-system command as the account running PHP.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/getgrav/grav/security/advisories/GHSA-gh8j-q67c-j53f
https://www.vulncheck.com/advisories/grav-before-remote-code-execution-via-email-twig

Configurations

No configuration.

History

12 Oct 2026, 15:10

Type	Values Removed	Values Added
Summary		(es) El plugin Grav Email (getgrav/grav-plugin-email) anterior a la versión 4.2.2 renderiza los parámetros de acción de correo electrónico controlados por el editor de páginas como plantillas Twig no aisladas. Un usuario remoto autenticado con solo permisos de api.access y api.pages.write puede colocar una expresión Twig en header.form.process.email.body, publicar la página y enviar el formulario para ejecutar un comando arbitrario del sistema operativo como la cuenta que ejecuta PHP.

Information

Published : 2026-08-25 02:16

Updated : 2026-10-12 15:10

NVD link : CVE-2026-75574

Mitre link : CVE-2026-75574

CVE.ORG link : CVE-2026-75574

JSON object : View

Products Affected

No product.

CWE

CWE-1336

Improper Neutralization of Special Elements Used in a Template Engine

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