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Crítica

Mautic has Server-Side Template Injection (SSTI) in Theme Templates

  • Publicada: 02.07.2026
  • Actualizado: 11.10.2026 10:22

Summary

A Server-Side Template Injection (SSTI) vulnerability exists in Mautic's theme engine. The platform renders uploaded Twig templates without a sandbox or strict function restrictions. Authenticated users with permissions to create or upload themes can abuse this to execute arbitrary code.

Impact

An authenticated user with theme upload and creation privileges can bypass boundaries to execute arbitrary system commands on the hosting server (Remote Code Execution) or access restricted system files and configuration settings.

Patched Versions

This security issue has been addressed in the following releases:

  • 7.1.2
  • 6.0.9
  • 5.2.11

For users on Mautic 4.x, this fix is available in:

Mautic strongly recommend upgrading to a patched version immediately.

Workarounds

There are no official workarounds. To mitigate this vulnerability without upgrading, restrict theme upload and creation permissions (core:themes:create) to only highly trusted administrators.

Software afectado

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PlataformaPaqueteVersiones vulnerablesCorregida en
Paquete de Composer mautic/core >= 1.3.0, >= 5.0.0, < 5.2.11, >= 6.0.0, < 6.0.9, >= 7.0.0, < 7.1.2 5.2.11, 6.0.9, 7.1.2

Referencias

Puntuación CVSS 9.9/10
Vector CVSS
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Debilidad (CWE)
CWE-1336
Plataforma
Composer
Paquete
mautic/core
Publicada
02.07.2026
Actualizado
11.10.2026 10:22

Fuentes y licencias

OSV / GitHub Advisory Database - GHSA-9fx4-7cmj-47vg - CC BY 4.0

Historial de vulnerabilidades: mautic/core

Todas las vulnerabilidades publicadas de este paquete (Paquete de Composer), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.

Todas (57) en el archivo
Entradas en total
57
Primera → última
01.2021 07.2026
Sin corrección
1
Explotada en ataques
0

Distribución por gravedad

  • Crítica 9
  • Alta 17
  • Media 29
  • Baja 2

Divulgaciones por año

Gravedad:
  1. Mautic has Stored Cross-Site Scripting (XSS) in Projects Component
    Alta · 7.6 CVE-2026-9809 >= 7.0.0, < 7.1.2 7.1.2
  2. Mautic has an Authorization Bypass in API v2 Endpoints
    Alta · 7.1 CVE-2026-9808 >= 7.0.0, < 7.1.2 7.1.2
  3. Mautic vulnerable to Path Traversal via Campaign Import
    Crítica · 9.9 CVE-2026-9559 >= 7.0.0, < 7.1.2 7.1.2
  4. Mautic has Server-Side Template Injection (SSTI) in Theme Templates esta entrada
    Crítica · 9.9 CVE-2026-9558 >= 1.3.0, >= 5.0.0, < 5.2.11, >= 6.0.0, < 6.0.9, >= 7.0.0, < 7.1.2 5.2.11, 6.0.9, 7.1.2
  5. Mautic has SQL Injection in API Contact Filtering
    Alta · 7.1 CVE-2026-4776 >= 2.6.0, <= 4.4.13, >= 5.0.0, < 5.2.11, >= 6.0.0, < 6.0.9, >= 7.0.0, < 7.1.2 5.2.11, 6.0.9, 7.1.2
  6. Mautic is Vulnerable to SQL Injection through Contact Activity API Sorting
    Alta · 7.6 CVE-2026-3105 >= 2.10.0, < 5.2.10, >= 6.0.0-alpha, < 6.0.8, >= 7.0.0-alpha, < 7.0.1 5.2.10, 6.0.8, 7.0.1
  7. Mautic user without privileged access to the Marketplace can install and uninstall composer packages
    Crítica CVE-2025-13828 >= 4.0.0, < 4.4.18, >= 5.0.0, < 5.2.9, >= 6.0.0, < 6.0.7 4.4.18, 5.2.9, 6.0.7
  8. Mautic allows Improper Authorization in Reporting API
    Alta · 7.7 CVE-2024-47053 >= 1.0.1, < 5.2.3 5.2.3
  9. Mautic allows Remote Code Execution and File Deletion in Asset Uploads
    Crítica · 9.1 CVE-2024-47051 < 5.2.3 5.2.3
  10. Mautic vulnerable to Improper Access Control in UI upgrade process
    Alta · 7.0 CVE-2022-25768 >= 1.1.3, < 4.4.13, >= 5.0.0-alpha, < 5.1.1 4.4.13, 5.1.1
  11. Mautic is vulnerable to XSS vulnerability
    Crítica · 9.6 CVE-2020-35125 < 2.16.5, >= 3.0.0, < 3.2.4 2.16.5, 3.2.4
  12. Mautic Sensitive Data Exposure due to inadequate user permission settings
    Alta · 8.3 CVE-2022-25776 >= 1.0.2, < 4.4.12, >= 5.0.0-alpha, < 5.0.4 4.4.12, 5.0.4
  13. Mautic vulnerable to Relative Path Traversal / Arbitrary File Deletion due to GrapesJS builder
    Alta · 8.1 CVE-2021-27916 >= 3.3.0, < 4.4.12, >= 5.0.0-alpha, < 5.0.4 4.4.12, 5.0.4
  14. Mautic vulnerable to stored cross-site scripting in description field
    Alta · 7.6 CVE-2021-27915 >= 1.0.0-beta2, < 4.4.12 4.4.12
  15. Cross-site Scripting vulnerability in Mautic's tracking pixel functionality
    Crítica · 9.6 CVE-2022-25772 < 4.3.0 4.3.0
  16. Mautic stored Cross-site Scripting (XSS)
    Crítica · 9.0 CVE-2020-35129 < 3.2.4 3.2.4
  17. Mautic stored Cross-site Scripting (XSS)
    Crítica · 9.0 CVE-2020-35128 >= 3.2.0, < 3.2.4, >= 2.0.0, < 2.16.5 3.2.4, 2.16.5
  18. Sensitive Cookie Without HttpOnly and Secure Flag
    Alta · 7.5 CVE-2017-1000046 < 2.1.1 2.1.1
  19. Mautic Cross-Site Request Forgery (CSRF)
    Alta · 8.8 CVE-2017-8874 = 1.4.1 sin corrección
  20. Stored XSS vulnerability on Bounce Management Callback
    Alta · 8.2 CVE-2021-27910 < 3.3.4, >= 4.0.0-alpha1, < 4.0.0 3.3.4, 4.0.0
  21. XSS vulnerability on contacts view
    Alta · 8.3 CVE-2021-27911 < 3.3.4, >= 4.0.0-alpha1, < 4.0.0 3.3.4, 4.0.0
  22. XSS vulnerability on asset view
    Alta · 7.1 CVE-2021-27912 < 3.3.4, >= 4.0.0-alpha1, < 4.0.0 3.3.4, 4.0.0
  23. XSS in Mautic
    Alta CVE-2021-3142 >= 3.0.0, < 3.2.4, >= 2.0.0, < 2.16.5 3.2.4, 2.16.5
  24. Mautic Sessions could be hijacked due to tracking contacts by an auto-incremented ID
    Alta · 7.5 CVE-2018-10189 < 2.13.0 2.13.0
  25. Disabled users able to log in with third party SSO plugin
    Alta · 8.1 CVE-2017-1000489 >= 2.0.0, < 2.12.0 2.12.0
  26. XSS vulnerability leveraged through referrers could allow un-authorized admin access in Mautic
    Crítica CVE-2020-35124 >= 3.0.0, < 3.2.4, >= 2.0.0, < 2.16.5 3.2.4, 2.16.5

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