What is CVE-2019-5458?

CVE-2019-5458 is a medium-severity vulnerability in Http-File-Server, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-07-30.

How severe is CVE-2019-5458?

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

XSS in Http-File-Server

CVE-2019-5458

Cross-site scripting (XSS) vulnerability in http-file-server (all versions) allows an attacker with access to the server file system to execute arbitrary JavaScript code in victim's browser.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-07-30 · 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: 0.007 (52.1th percentile), scored 2026-10-09.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Http-File-Server — versions Not Fixed
Http-File-Server Project — versions 0.1.0, 0.2.0, 0.2.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

hackerone.com/reports/570563 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-5458?: CVE-2019-5458 is a medium-severity vulnerability in Http-File-Server, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-07-30.
How severe is CVE-2019-5458?: Medium severity. CVSS v3 base score is 5.4 out of 10.