Stored XSS vulnerability in Jenkins job build time trend

published 2020-07-15 6 y ago modified 2026-09-08 2 mo ago also BIT-jenkins-2020-2220 , EUVD-2022-4968 , GHSA-qgj4-rc8m-44mq

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 63%
public exploits: 0; none known

Jenkins 2.244 and earlier, LTS 2.235.1 and earlier does not escape the agent name in the build time trend page, resulting in a stored cross-site scripting vulnerability.

Patch / fix

fixed in 2 distros 2 links 1

maven org.jenkins-ci.main:jenkins-core 2.235.2, 2.245
bitnami jenkins 2.244.1

red hat alpine

jenkins openshift 4.3 2.235.5.1600415514-1.el7
openshift openshift 4.3 4.3.37-202009120213.p0.git.0.dffefe4.el8
openshift-hyperkube openshift 4.3 4.3.37-202009120213.p0.git.0.dffefe4.el8
openshift openshift 4.4 4.4.0-202008250319.p0.git.0.d653415.el7
openshift openshift 4.4 4.4.0-202008250319.p0.git.0.d653415.el8
openshift-hyperkube openshift 4.4 4.4.0-202008250319.p0.git.0.d653415.el7
openshift-hyperkube openshift 4.4 4.4.0-202008250319.p0.git.0.d653415.el8
jenkins openshift 4.5 2.235.2.1597312414-1.el7

red hat advisories RHSA-2020:3808 RHSA-2020:3579 RHSA-2020:3519 RHSA-2020:3541 RHBA-2020:3441

jenkins Alpine 3.24, Alpine 3.23, Alpine 3.22 +10 more 2.245-r0

alpine advisories ALPINE-CVE-2020-2220

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

github.com/jenkinsci/jenkins@b43531a commit

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-2020-2220 updated 2026-10-30 cvss 8.0

jenkins: Stored XSS vulnerability in job build time trend

Red Hat OpenShift Container Platform 3.11 jenkins 2.235.2.1597220898-1.el7
fixed: vendor fix RHSA-2020:3541
Red Hat OpenShift Container Platform 4.3 jenkins 2.235.5.1600415514-1.el7
fixed: vendor fix RHSA-2020:3808
Red Hat OpenShift Container Platform 4.4 jenkins 2.235.2.1597312065-1.el7, openshift 4.4.0-202008250319.p0.git.0.d653415.el7, openshift 4.4.0-202008250319.p0.git.0.d653415.el8, openshift-hyperkube 4.4.0-202008250319.p0.git.0.d653415.el7, openshift-hyperkube 4.4.0-202008250319.p0.git.0.d653415.el8
fixed: vendor fix RHBA-2020:3441
Red Hat OpenShift Container Platform 4.5 jenkins 2.235.2.1597312414-1.el7
fixed: vendor fix RHSA-2020:3519
Red Hat OpenShift Container Platform 4.6 openshift4/ose-pod v4.6.0-202010061132.p0, openshift4/ose-jenkins v4.6.0-202010120952.p0, openshift4/ose-deployer v4.6.0-202010080605.p0, openshift4/ose-sdn-rhel8 v4.6.0-202010061132.p0, openshift4/ose-telemeter v4.6.0-202010061132.p0, openshift4/ose-kube-proxy v4.6.0-202010061132.p0, +49 more
fixed: vendor fix RHBA-2020:4196
Red Hat OpenShift Container Platform 3.11 python-rsa 4.5-2.el7, python2-rsa 4.5-2.el7, jenkins-2-plugins 3.11.1597310986-1.el7, openshift-ansible 3.11.272-1.git.0.79ab6e9.el7, openshift-ansible-test 3.11.272-1.git.0.79ab6e9.el7, openshift-ansible-roles 3.11.272-1.git.0.79ab6e9.el7, +1 more Red Hat OpenShift Container Platform 4.3 openshift 4.3.37-202009120213.p0.git.0.dffefe4.el8, openshift-hyperkube 4.3.37-202009120213.p0.git.0.dffefe4.el8 Red Hat OpenShift Container Platform 4.4 cri-o 1.17.4-24.rhaos4.4.git73658e6.el7, cri-o 1.17.4-24.rhaos4.4.git73658e6.el8, container-selinux 2.144.0-1.rhaos4.4.el8, openshift-kuryr 4.4.0-202008131757.p0.git.1813.8e0365d.el8, openshift-kuryr-cni 4.4.0-202008131757.p0.git.1813.8e0365d.el8, machine-config-daemon 4.4.0-202008130707.p0.git.2357.47d462a.el8, +3 more Red Hat OpenShift Container Platform 4.5 openshift 4.5.0-202008130146.p0.git.0.aaf1d57.el7, openshift 4.5.0-202008130146.p0.git.0.aaf1d57.el8, openshift-hyperkube 4.5.0-202008130146.p0.git.0.aaf1d57.el7, openshift-hyperkube 4.5.0-202008130146.p0.git.0.aaf1d57.el8
not affected: vulnerable code not present

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

Exploit prediction

1.02% chance of exploitation in the next 30 days, higher than 63% 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
NVD	2.0	3.5	AV:N/AC:M/Au:S/C:N/I:P/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	<2.235.2 >=2.236, <2.245	2.235.2 2.245
bitnami	jenkins	<2.244.1	2.244.1

Affected products

Jenkins project Jenkins

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

Technology feeds

Jenkins rss critical rss

References

github.com /jenkinsci/jenkins/commit/b43531acee280dedc3ea454a2fc5a1a42990ddda
web
jenkins.io /security/advisory/2020-07-15/#SECURITY-1868
web, vendor-advisory, advisory
openwall.com /lists/oss-security/2020/07/15/5
mailing-list, web, third-party-advisory, advisory
nvd.nist.gov /vuln/detail/CVE-2020-2220
advisory, web
github.com /jenkinsci/jenkins
package

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.

Summary