How severe is CVE-2019-19684?

CVE-2019-19684 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-19684 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-19684?

CVE-2019-19684 affects Nopcommerce. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-19684?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-19684 published?

CVE-2019-19684 was published on 2019-12-09 and last updated on 2026-06-17.

CVE-2019-19684

CVE-2019-19684 is a high-severity vulnerability in Nopcommerce with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Nopcommerce
Published: 2019-12-09
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2019-19684?: CVE-2019-19684 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-19684 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-19684?: CVE-2019-19684 affects Nopcommerce. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-19684?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-19684 published?: CVE-2019-19684 was published on 2019-12-09 and last updated on 2026-06-17.

References

https://github.com/klezVirus/cves/tree/master/NopCommerce/Privilege%20Escalation%20via%20Plugin%20Upload

Affected products (1)

cpe:2.3:a:nopcommerce:nopcommerce:4.20:-:*:*:*:*:*:*

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