What is CVE-2019-19684?

CVE-2019-19684 is a high-severity vulnerability in Nopcommerce, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2019-12-09.

How severe is CVE-2019-19684?

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

Arbitrary file upload in Nopcommerce

CVE-2019-19684

nopCommerce v4.2.0 allows privilege escalation via file upload in Presentation/Nop.Web/Admin/Areas/Controllers/PluginController.cs via Admin/FacebookAuthentication/Configure because it is possible to upload a crafted Facebook Auth plugin.

Vulnerability class: Unrestricted File Upload

Published 2019-12-09 · 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: 0.016 (74.7th percentile), scored 2026-10-08.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Nopcommerce — versions 4.20

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

github.com/klezVirus/cves/tree/master/NopCommerce/Privilege Escalation via Plug… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-19684?: CVE-2019-19684 is a high-severity vulnerability in Nopcommerce, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2019-12-09.
How severe is CVE-2019-19684?: High severity. CVSS v3 base score is 8.8 out of 10.