mautic/core
At a glance
- Source
- NVD
- EPSS
- EPSS 0.57 % · percentile 47 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Mautic
- NVD status
- Deferred
Description
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 on the hosting server (Remote Code Execution) or access restricted system files and configuration settings.
Weaknesses (CWE)
- CWE-1336 — Improper Neutralization of Special Elements Used in a Template Engine
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | CRITICAL 9.9 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H | Mautic |
| CVSS 3.1 | CRITICAL 9.9 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H | NVD · security@mautic.org (Secondary) |
Advisories
- GHSA-9fx4-7cmj-47vg — Mautic has Server-Side Template Injection (SSTI) in Theme Templates
European references
- ENISA EUVD · EUVD-2026-33276
- GCVE · GCVE-0-2026-9558
Affected products
| Product | Versions |
|---|---|
| mautic/core | affected 1.3.0 < 4.4.20 ; affected 5.0.0 < 5.2.11 ; affected 6.0.0 < 6.0.9 ; affected 7.0.0 < 7.1.2 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |