Arbitrary file upload in Mautic

CVE-2025-13827

Summary Arbitrary files can be uploaded via the GrapesJS Builder, as the types of files that can be uploaded are not restricted. ImpactIf the media folder is not restricted from running files this can lead to a remote code execution.

Vulnerability class: Unrestricted File Upload

EPSS: 0.004 (30.2th percentile) — read the EPSS interpretation.

Affected products

  • Mautic — versions <4.4.18, <5.2.9, <6.0.7

Weakness classification (CWE)

References