How severe is CVE-2016-8634?

CVE-2016-8634 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-2016-8634 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-8634?

CVE-2016-8634 affects Theforeman Foreman. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-8634?

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

When was CVE-2016-8634 published?

CVE-2016-8634 was published on 2018-08-01 and last updated on 2026-06-17.

CVE-2016-8634

CVE-2016-8634 is a medium-severity vulnerability in Theforeman Foreman 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: 3.5
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Theforeman Foreman
Published: 2018-08-01
Last modified: 2026-06-17

Description

A vulnerability was found in foreman 1.14.0. When creating an organization or location in Foreman, if the name contains HTML then the second step of the wizard (/organizations/id/step2) will render the HTML. This occurs in the alertbox on the page. The result is a stored XSS attack if an organization/location with HTML in the name is created, then a user is linked directly to this URL.

Frequently asked questions

What is CVE-2016-8634?: A vulnerability was found in foreman 1.14.0. When creating an organization or location in Foreman, if the name contains HTML then the second step of the wizard (/organizations/id/step2) will render the HTML. This occurs in the alertbox on the page. The result is a stored XSS attack if an organization/location with HTML in the name is created, then a user is linked directly to this URL.
How severe is CVE-2016-8634?: CVE-2016-8634 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-2016-8634 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-8634?: CVE-2016-8634 affects Theforeman Foreman. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-8634?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-8634 published?: CVE-2016-8634 was published on 2018-08-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:theforeman:foreman:1.14.0:*:*:*:*:*:*:*

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