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CVE-2020-2229

Jenkins Cross-Site Scripting vulnerability in help icons

5.4 MediumPublic exploitFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
Required

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
None

Exploit likelihood

6.77%Up 3.1 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 5.4

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.

Record
CVE-2020-2229
CVSS 3.1
5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0
3.5 LowAV:N/AC:M/Au:S/C:N/I:P/A:N
Weakness
CWE-79
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2020-2229
Updated
2026-11-02
EUVDEUVD-2022-4220 No score

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.

Record
EUVD-2022-4220
Updated
2026-11-03
GitHub AdvisoriesGHSA-hvmc-7g2x-r3p9 8.0

Jenkins Cross-Site Scripting vulnerability in help icons

Jenkins 2.251 and earlier, LTS 2.235.3 and earlier does not escape the tooltip content of help icons. Tooltip values can be contributed by plugins, some of which use user-specified values. This results in a stored cross-site scripting (XSS) vulnerability. Jenkins 2.252, LTS 2.235.4 escapes the tooltip content of help icons.

Record
GHSA-hvmc-7g2x-r3p9
CVSS 3.0
8.0 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-79
Updated
2026-11-02
OSV 5.4

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.

Record
CVE-2020-2229
CVSS 3.1
5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Updated
2026-11-02
OSVGHSA-hvmc-7g2x-r3p9 8.0

Jenkins Cross-Site Scripting vulnerability in help icons

Jenkins 2.251 and earlier, LTS 2.235.3 and earlier does not escape the tooltip content of help icons. Tooltip values can be contributed by plugins, some of which use user-specified values. This results in a stored cross-site scripting (XSS) vulnerability. Jenkins 2.252, LTS 2.235.4 escapes the tooltip content of help icons.

Record
GHSA-hvmc-7g2x-r3p9
CVSS 3.0
8.0 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-79
Updated
2026-11-02
Show 4 moreShow less
OSVRHSA-2020:3808 8.0

Red Hat Security Advisory: OpenShift Container Platform 4.3.38 jenkins and openshift security update

Record
RHSA-2020:3808
CVSS 3.1
8.0 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2020:3841 7.7

Red Hat Security Advisory: OpenShift Container Platform 4.5.13 jenkins security update

Record
RHSA-2020:3841
CVSS 3.1
7.7 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Updated
2026-11-02
OSVRHSA-2020:4223 7.7

Red Hat Security Advisory: OpenShift Container Platform 3.11.306 jenkins security update

Record
RHSA-2020:4223
CVSS 3.1
7.7 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Updated
2026-11-02
OSVBIT-jenkins-2020-2229 No score

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.

Record
BIT-jenkins-2020-2229
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
org.jenkins-ci.main:jenkins-core
Maven
 through 2.235.3
2.235.4
org.jenkins-ci.main:jenkins-core
Maven
 2.236 to 2.251
2.252
jenkins
Bitnami
 before 2.251.1
2.251.1
org.jenkins-ci.main:jenkins-core
Maven
 before 2.235.4, plus listed versions
1.3961.3971.3981.3991.400
Show 45 moreShow less
1.4011.4031.4041.4051.4061.4071.4081.4091.409.11.409.21.409.31.4101.4111.4121.4131.4141.4151.4161.4171.4181.4191.4201.4211.4221.4231.4241.424.11.424.21.424.31.424.41.424.51.424.61.4251.4261.4271.4281.4291.4301.4311.4321.4331.4341.4351.4361.437
2.235.4
org.jenkins-ci.main:jenkins-core
Maven
 2.236 up to 2.252, plus listed versions
2.2372.2382.2392.2402.241
Show 13 moreShow less
2.2422.2432.2442.2452.2462.2472.2482.2492.249.12.249.22.249.32.2502.251
2.252
jenkins
Red Hat:openshift:4.3::el7
From an advisory covering 9 CVEs
 before 0:2.235.5.1600415514-1.el7
0:2.235.5.1600415514-1.el7
openshift
Red Hat:openshift:4.3::el8
From an advisory covering 9 CVEs
 before 0:4.3.37-202009120213.p0.git.0.dffefe4.el8
0:4.3.37-202009120213.p0.git.0.dffefe4.el8
openshift-hyperkube
Red Hat:openshift:4.3::el8
From an advisory covering 9 CVEs
 before 0:4.3.37-202009120213.p0.git.0.dffefe4.el8
0:4.3.37-202009120213.p0.git.0.dffefe4.el8
jenkins
Red Hat:openshift:4.5::el7
From an advisory covering 4 CVEs
 before 0:2.235.5.1600414805-1.el7
0:2.235.5.1600414805-1.el7
jenkins
Red Hat:openshift:3.11::el7
From an advisory covering 4 CVEs
 before 0:2.235.5.1600415953-1.el7
0:2.235.5.1600415953-1.el7

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBJenkins 2.235.3 - 'tooltip' Stored Cross-Site Scripting2020-12-11

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-2229 is a medium vulnerability (CVSS 5.4) in Jenkins, published August 12, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 6.77%, the 94th percentile. Fixed in org.jenkins-ci.main:jenkins-core 2.235.4.

References

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