Vulnerability · Published Dec 2, 2025 · Assigned by Mautic

CVE-2025-13827GrapesJsBuilder File Upload allows all file uploads

High 8.8

In plain English

A high-severity unrestricted file upload in Mautic from Mautic. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 39% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)8.8High
Exploit odds (30 days)0.5%top 60.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagistmautic/grapes-js-builder-bundle4.4.18GHSA-5xw2-57jx-pgjp
Packagistmautic/grapes-js-builder-bundle5.2.9GHSA-5xw2-57jx-pgjp
Packagistmautic/grapes-js-builder-bundle6.0.7GHSA-5xw2-57jx-pgjp

Affected products (as reported)

VendorProductVersions
Mautic Mautic <4.4.18, <5.2.9, <6.0.7

Weakness: CWE-434 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

References