What is CVE-2016-8639?

CVE-2016-8639 is a medium-severity vulnerability in Theforeman Foreman, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-08-01.

How severe is CVE-2016-8639?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Theforeman Foreman

CVE-2016-8639

It was found that foreman before 1.13.0 is vulnerable to a stored XSS via an organization or location name. This could allow an attacker with privileges to set the organization or location name to display arbitrary HTML including scripting code within the web interface.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-08-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.012 (66.9th percentile), scored 2026-10-23.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Theforeman Foreman
The Foreman Project — versions 1.13.0
Red Hat Satellite — versions 6.3
Red Hat Satellite Capsule — versions 6.3

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
access.redhat.com/errata/RHSA-2018:0336 (vendor-advisory, Third Party Advisory)
github.com/theforeman/foreman/pull/3523 (Third Party Advisory)
www.securityfocus.com/bid/94263 (VDB Entry, Third Party Advisory, vdb-entry)
projects.theforeman.org/issues/15037 (Vendor Advisory)

Frequently asked questions

What is CVE-2016-8639?: CVE-2016-8639 is a medium-severity vulnerability in Theforeman Foreman, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-08-01.
How severe is CVE-2016-8639?: Medium severity. CVSS v3 base score is 6.1 out of 10.