CVE-2023-27898

Name: CVE-2023-27898
Creator: NVD / NIST
Published: 2023-03-10T21:15:15.403+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.6/10EPSS 1.84%

Last modified Jun 17, 2026

CVE-2023-27898 is a critical-severity vulnerability rated 9.6/10 on the CVSS scale. 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.. EPSS estimates a 1.84% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.6/10

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

EPSS Probability

1.84%

76.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Jenkins	Jenkins	>= 2.270, < 2.394
Jenkins	Jenkins	>= 2.277.1, < 2.375.4

References

https://www.jenkins.io/security/advisory/2023-03-08/#SECURITY-3037Vendor Advisory
https://www.jenkins.io/security/advisory/2023-03-08/#SECURITY-3037Vendor Advisory

Timeline

Published: Mar 10, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-27898?

How severe is CVE-2023-27898?

CVE-2023-27898 has a CVSS score of 9.6/10 (CRITICAL severity). The EPSS model estimates a 1.84% probability of exploitation in the next 30 days.

How do I fix CVE-2023-27898?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-27898?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST