What is CVE-2019-16318?

CVE-2019-16318 is a high-severity vulnerability in Pimcore, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2019-09-14.

How severe is CVE-2019-16318?

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

Arbitrary file upload in Pimcore

CVE-2019-16318

In Pimcore before 5.7.1, an attacker with limited privileges can bypass file-extension restrictions via a 256-character filename, as demonstrated by the failure of automatic renaming of .php to .php.txt for long filenames, a different vulnerability than CVE-2019-10867 and CVE-2019-16317.

Vulnerability class: Unrestricted File Upload

Published 2019-09-14 · 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: 0.014 (71.6th percentile), scored 2026-10-08.

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Pimcore

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

github.com/pimcore/pimcore/commit/732f1647cc6e0a29b5b1f5d904b4d726b5e9455f (Patch)
snyk.io/vuln/SNYK-PHP-PIMCOREPIMCORE-451598 (Third Party Advisory)

Frequently asked questions

What is CVE-2019-16318?: CVE-2019-16318 is a high-severity vulnerability in Pimcore, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2019-09-14.
How severe is CVE-2019-16318?: High severity. CVSS v3 base score is 8.8 out of 10.