Arbitrary file upload in Contao - CVE-2024-45398
Published: September 17, 2024 / Updated: May 5, 2026
Vulnerability identifier: #VU130137
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-45398
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Contao
Affected software:
Contao
Contao
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary code on the server.
The vulnerability exists due to unrestricted upload of files with dangerous types in the file manager when uploading files. A remote user can upload a malicious file to execute arbitrary code on the server.
Exploitation requires access to the back end file manager.
How to mitigate CVE-2024-45398
Install security update from vendor's website.