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Fencer Vulns
medium 5.4

CVE-2023-39151 json

Jenkins Stored Cross-site Scripting vulnerability

published 2023-07-26 3 y ago modified 2026-09-08 2 mo ago also BIT-jenkins-2023-39151 , EUVD-2023-1976 , GHSA-69vw-3pcm-84rw

cvss
5.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits
0
none known

Summary

Jenkins 2.415 and earlier, LTS 2.401.2 and earlier does not sanitize or properly encode URLs in build logs when transforming them into hyperlinks, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to control build log contents.

Patch / fix

  • maven org.jenkins-ci.main:jenkins-core 2.401.3, 2.414.1, 2.416
  • bitnami jenkins 2.415.1
  • Jenkins Project Jenkins 2.416

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-39151 updated cvss 8.0

jenkins: Stored cross-site scripting via build logs

  • Red Hat OpenShift Developer Tools and Services jenkins
    affected: no fix available
  • Red Hat OpenShift Container Platform 3.11 jenkins
    affected: no fix planned “Out of support scope”
  • Red Hat OpenShift Container Platform 4 jenkins
    affected: no fix available

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

1.00% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
GitHub 3.1 8.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
OSV 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
maven org.jenkins-ci.main:jenkins-core
>=2.402, <2.414.1
<2.401.3
>=2.415, <2.416
2.414.1
2.401.3
2.416
bitnami jenkins
<2.415.1
2.415.1

Affected products

  • Jenkins Project Jenkins

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.