What is CVE-2018-3716?

CVE-2018-3716 is a medium-severity vulnerability in HackerOne Simplehttpserver Node Module, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-06-07.

How severe is CVE-2018-3716?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2018-3716 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in HackerOne Simplehttpserver Node Module

CVE-2018-3716

simplehttpserver node module suffers from a Cross-Site Scripting vulnerability to a lack of validation of file names.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-06-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (48.9th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

HackerOne Simplehttpserver Node Module — versions All versions
Simplehttpserver Project

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

hackerone.com/reports/309648 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2018-3716?: CVE-2018-3716 is a medium-severity vulnerability in HackerOne Simplehttpserver Node Module, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-06-07.
How severe is CVE-2018-3716?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2018-3716 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.