Security advisories
Here you will find a list of vulnerabilities that have already been found and fixed in Contao. If you think that you have found a security issue in Contao, please report it according to our security policy.
Remote command execution through file uploads
by Leo Feyer
Date: 2024-09-17
CVE ID: CVE-2024-45398
Back end users with access to the file manager can upload malicious files and execute them on the server.
Affected versions
Contao 4.0
Contao 4.1
Contao 4.2
Contao 4.3
Contao 4.4
Contao 4.5
Contao 4.6
Contao 4.7
Contao 4.8
Contao 4.9
Contao 4.10
Contao 4.11
Contao 4.12
Contao 4.13 up to 4.13.48
Contao 5.0
Contao 5.1
Contao 5.2
Contao 5.3 up to 5.3.14
Contao 5.4 up to 5.4.2
Suggested solution
Upgrade to Contao 4.13.49, 5.3.15 or 5.4.3.
Workaround
Configure your web server so it does not execute PHP files and other scripts in the Contao file upload directory.
More information
https://github.com/contao/contao/security/advisories/GHSA-vm6r-j788-hjh5
Credits
Thanks to Jakob Steeg from usd AG for reporting this vulnerability.
