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Vulnerability record · CVE-2024-45398 · published 17 September 2024

CVE-2024-45398: Contao unrestricted file upload vulnerability

Contao · Contao

Contao is an Open Source CMS. In affected versions a back end user with access to the file manager can upload malicious files and execute them on the server. Users are advised to update to Contao 4.13.49, 5.3.15 or 5.4.3. Users unable to update are advised to configure their web server so it does not execute PHP files and other scripts in the Contao file upload directory.

8.8 CVSS 3.1 High EPSS 0.53% · top 57.3% CWE-434 · Unrestricted file upload
8.8CVSS 3.1 base score
0.53%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Contao is an Open Source CMS. In affected versions a back end user with access to the file manager can upload malicious files and execute them on the server. Users are advised to update to Contao 4.13.49, 5.3.15 or 5.4.3. Users unable to update are advised to configure their web server so it does not execute PHP files and other scripts in the Contao file upload directory.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://contao.org/en/security-advisories/remote-command-execution-through-file-uploads Vendor Advisory
https://github.com/contao/contao/security/advisories/GHSA-vm6r-j788-hjh5 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2024-45398), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.