How severe is CVE-2018-3726?

CVE-2018-3726 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-3726 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-3726?

CVE-2018-3726 affects Crud-file-server Project Crud-file-server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-3726?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-3726 published?

CVE-2018-3726 was published on 2018-06-07 and last updated on 2026-06-17.

CVE-2018-3726

CVE-2018-3726 is a medium-severity vulnerability in Crud-file-server Project Crud-file-server with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Crud-file-server Project Crud-file-server
Published: 2018-06-07
Last modified: 2026-06-17

Description

crud-file-server node module before 0.8.0 suffers from a Cross-Site Scripting vulnerability to a lack of validation of file names.

Frequently asked questions

What is CVE-2018-3726?: crud-file-server node module before 0.8.0 suffers from a Cross-Site Scripting vulnerability to a lack of validation of file names.
How severe is CVE-2018-3726?: CVE-2018-3726 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-3726 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-3726?: CVE-2018-3726 affects Crud-file-server Project Crud-file-server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-3726?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-3726 published?: CVE-2018-3726 was published on 2018-06-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:crud-file-server_project:crud-file-server:*:*:*:*:*:node.js:*:*

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