Is CVE-2018-16861 in the CISA KEV catalog?

No. CVE-2018-16861 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-16861?

CVE-2018-16861 has a CVSS v3 base score of 7.6 (HIGH).

What is the EPSS score for CVE-2018-16861?

CVE-2018-16861 has an EPSS score of 0.88% (55th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-16861?

Upgrade foreman to 1.19.1 or later.

CVE & CISA-KEV Catalog

CVE-2018-16861

HIGH

7.6

CVSS v3

NVD

Description

A cross-site scripting (XSS) flaw was found in the foreman component of satellite. An attacker with privilege to create entries using the Hosts, Monitor, Infrastructure, or Administer Menus is able to execute a XSS attacks against other users, possibly leading to malicious code execution and extraction of the anti-CSRF token of higher privileged users. Foreman before 1.18.3, 1.19.1, and 1.20.0 are vulnerable.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

foremanNVD

Affected:>= 1.19.0, < 1.19.1Fixed in:1.19.1CVE-2018-16861derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityLow

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L

Exploit Intelligence

0.88%probability of exploitation in 30 days

55thpercentile

Moderate risk: more likely to be exploited than 55% of all known CVEs.

References

Patch1

bugzilla.redhat.com

Other references1

access.redhat.com

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.