CVE-2020-2230
MediumPublic exploitJenkins Cross-site Scripting vulnerability in project naming strategy
Published May 24, 2022 · Updated Sep 8, 2026 · Also known as BIT-jenkins-2020-2230, GHSA-9g4m-ffx6-c29g
Key Facts
Patch immediately- CVE-2020-2230 is a medium-severity vulnerability (CVSS 5.4 v3.1) affecting Jenkins, org.jenkins-ci.main:jenkins-core (maven), openshift4/ose-jenkins:v4.4.0 (redhat).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 83% probability of exploitation in the next 30 days.
- Fixed versions are available, including Jenkins 0:2.235.5.1600415953-1.el7, Jenkins 2.251.1, Jenkins <=2.235.3.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
5.4
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS (30-day exploit likelihood)
83%
Higher than 99.6% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
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Description
Jenkins 2.251 and earlier, LTS 2.235.3 and earlier does not escape the project naming strategy description, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by users with Overall/Manage permission.
Affected Products
9 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| JenkinsJenkins | >= unspecified | 2.251 |
| org.jenkins-ci.main:jenkins-coremaven | See advisory | 2.252 |
| openshift4/ose-jenkins:v4.4.0redhat | See advisory | 202009260441.p0 |
Patched Releases
Jenkins
0:2.235.5.1600415953-1.el7, 2.251.1, <=2.235.3, <=2.251
openshift4/ose-jenkins:v4.4.0
202009260441.p0
org.jenkins-ci.main:jenkins-core
2.235.4, 2.252
Timeline
Publicly disclosed
May 24, 2022
Last updated
Sep 8, 2026
Weakness Type
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References
- advisoryRHSA-2020:3808
- advisoryRHSA-2020:3841
- advisoryRHSA-2020:4220
- advisoryRHSA-2020:4223
- advisoryGHSA advisory
FAQ
Common Questions.
Jenkins 2.251 and earlier, LTS 2.235.3 and earlier does not escape the project naming strategy description, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by users with Overall/Manage permission.
Affected: Jenkins versions >= unspecified; org.jenkins-ci.main:jenkins-core (maven); openshift4/ose-jenkins:v4.4.0 (redhat). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Jenkins 0:2.235.5.1600415953-1.el7, Jenkins 2.251.1, Jenkins <=2.235.3.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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