Is CVE-2023-27898 in the CISA KEV catalog?

No. CVE-2023-27898 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-27898?

CVE-2023-27898 has a CVSS v3 base score of 9.6 (CRITICAL).

What is the EPSS score for CVE-2023-27898?

CVE-2023-27898 has an EPSS score of 1.84% (76th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-27898?

Upgrade jenkins on rocky 8 to 0:2.401.1.1686831596-3.el8 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2023-27898

CRITICALEPSS 76th pctl

9.6

CVSS v3

NVD

Description

Jenkins 2.270 through 2.393 (both inclusive), LTS 2.277.1 through 2.375.3 (both inclusive) does not escape the Jenkins version a plugin depends on when rendering the error message stating its incompatibility with the current version of Jenkins, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to provide plugins to the configured update sites and have this message shown by Jenkins instances.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

jenkinsRocky

Fixed in:0:2.401.1.1686831596-3.el8RHSA-2023:3663

jenkinsRed Hat / RHEL

Fixed in:0:2.401.1.1686831596-3.el8RHSA-2023:3663

jenkins-2-pluginsRocky

Fixed in:0:4.11.1686831822-1.el8RHSA-2023:3663

jenkins-2-pluginsRed Hat / RHEL

Fixed in:0:4.11.1686831822-1.el8RHSA-2023:3663

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 RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Exploit Intelligence

1.84%probability of exploitation in 30 days

76thpercentile

Elevated risk: more likely to be exploited than 76% of all known CVEs.

References

Vendor Advisory1

jenkins.io

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 2025-02-28.