What is CVE-2019-19745?

CVE-2019-19745 is a high-severity vulnerability in Contao, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2019-12-17.

How severe is CVE-2019-19745?

High severity. CVSS v3 base score is 8.8 out of 10.

Arbitrary file upload in Contao

CVE-2019-19745

Contao 4.0 through 4.8.5 allows PHP local file inclusion. A back end user with access to the form generator can upload arbitrary files and execute them on the server.

Vulnerability class: Unrestricted File Upload

Published 2019-12-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (64.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Contao — versions 4.0, 4.1, 4.2

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

contao.org/en/news.html (Vendor Advisory)
contao.org/en/security-advisories/unrestricted-file-uploads.html (Vendor Advisory)

Frequently asked questions

What is CVE-2019-19745?: CVE-2019-19745 is a high-severity vulnerability in Contao, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2019-12-17.
How severe is CVE-2019-19745?: High severity. CVSS v3 base score is 8.8 out of 10.