What is CVE-2020-10944?

CVE-2020-10944 is a medium-severity vulnerability in Hashicorp Nomad, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-04-28.

How severe is CVE-2020-10944?

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

XSS in Hashicorp Nomad

CVE-2020-10944

HashiCorp Nomad and Nomad Enterprise up to 0.10.4 contained a cross-site scripting vulnerability such that files from a malicious workload could cause arbitrary JavaScript to execute in the web UI. Fixed in 0.10.5.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2020-04-28 · 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 (50.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.0% 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

Hashicorp Nomad

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/hashicorp/nomad/issues/7468 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2020-10944?: CVE-2020-10944 is a medium-severity vulnerability in Hashicorp Nomad, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-04-28.
How severe is CVE-2020-10944?: Medium severity. CVSS v3 base score is 5.4 out of 10.