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Fencer Vulns
medium 5.4

CVE-2020-2229 json

Jenkins Cross-Site Scripting vulnerability in help icons

published 2020-08-12 6 y ago modified 2026-09-08 2 mo ago also BIT-jenkins-2020-2229 , EUVD-2022-4220 , GHSA-hvmc-7g2x-r3p9

cvss
5.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.8%
EPSS 6.8% chance of exploitation in 30 days, percentile 94%
public exploits
1
Exploit-DB

Summary

Jenkins 2.251 and earlier, LTS 2.235.3 and earlier does not escape the tooltip content of help icons, resulting in a stored cross-site scripting (XSS) vulnerability.

Patch / fix

  • maven org.jenkins-ci.main:jenkins-core 2.235.4, 2.252
  • bitnami jenkins 2.251.1
  • jenkins openshift 3.11 2.235.5.1600415953-1.el7
  • jenkins openshift 4.5 2.235.5.1600414805-1.el7
  • 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

red hat advisories RHSA-2020:4223RHSA-2020:3841RHSA-2020:3808

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-2020-2229 updated cvss 5.4

jenkins: user-specified tooltip values leads to stored cross-site scripting

  • Red Hat OpenShift Container Platform 3.11 jenkins 2.235.5.1600415953-1.el7
    fixed: vendor fix RHSA-2020:4223
  • 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 openshift4/ose-jenkins v4.4.0-202009260441.p0
    fixed: vendor fix RHSA-2020:4220
  • Red Hat OpenShift Container Platform 4.5 jenkins 2.235.5.1600414805-1.el7
    fixed: vendor fix RHSA-2020:3841
  • Red Hat OpenShift Container Platform 4.6 openshift4/ose-cli v4.6.0-202010311441.p0, openshift4/ose-pod v4.6.0-202010311441.p0, openshift4/ose-etcd v4.6.0-202010311441.p0, openshift4/ose-tests v4.6.0-202010311441.p0, openshift4/ose-console v4.6.0-202011020726.p0, openshift4/ose-coredns v4.6.0-202010311441.p0, +119 more
    fixed: vendor fix RHBA-2020:4339
  • Red Hat Fuse 7 jenkins 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
    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

Timeline

  1. Published
  2. First public exploit (EDB-49232)

Exploit prediction

6.77% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-49232 Jenkins 2.235.3 - 'tooltip' Stored Cross-Site Scripting webapps, 2020-12-11
  • packetstormsecurity.com http://packetstormsecurity.com/files/160443/Jenkins-2.235.3-Cross-Site-Scripting.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
GitHub 3.0 8.0 CVSS:3.0/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
<2.235.4
>=2.236, <2.252
2.235.4
2.252
bitnami jenkins
<2.251.1
2.251.1

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.