Mautic up to 4.4.17/5.2.8/6.0.6 GrapesJS Builder unrestricted upload

Summaryinfo

A vulnerability marked as critical has been reported in Mautic up to 4.4.17/5.2.8/6.0.6. Affected by this issue is some unknown functionality of the component GrapesJS Builder. This manipulation causes unrestricted upload. This vulnerability appears as CVE-2025-13827. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Mautic up to 4.4.17/5.2.8/6.0.6 and classified as critical. Affected by this vulnerability is an unknown code of the component GrapesJS Builder. The manipulation with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at github.com. This vulnerability is known as CVE-2025-13827 since 12/01/2025. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1608.002 for this issue.

Upgrading to version 4.4.18, 5.2.9 or 6.0.7 eliminates this vulnerability.

The vulnerability is also documented in the databases at EUVD (EUVD-2025-200276) and CERT Bund (WID-SEC-2025-2721). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

• Open Source Mautic

Productinfo

Name

• Mautic

Version

• 4.4.0
• 4.4.1
• 4.4.2
• 4.4.3
• 4.4.4
• 4.4.5
• 4.4.6
• 4.4.7
• 4.4.8
• 4.4.9
• 4.4.10
• 4.4.11
• 4.4.12
• 4.4.13
• 4.4.14
• 4.4.15
• 4.4.16
• 4.4.17
• 5.2.0
• 5.2.1
• 5.2.2
• 5.2.3
• 5.2.4
• 5.2.5
• 5.2.6
• 5.2.7
• 5.2.8
• 6.0.0
• 6.0.1
• 6.0.2
• 6.0.3
• 6.0.4
• 6.0.5
• 6.0.6

License

• open-source

Website

• Product: https://github.com/mautic/mautic/

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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