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.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.jenkins-ci.main:jenkins-core | < 2.235.4, >= 2.236, < 2.252 | 2.235.4, 2.252 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2020-2229
- https://github.com/jenkinsci/jenkins/commit/fe4cbe03804d6240d0b58d0b2301ea9530a34916
- https://github.com/jenkinsci/jenkins
- https://jenkins.io/security/advisory/2020-08-12/#SECURITY-1955
- http://packetstormsecurity.com/files/160443/Jenkins-2.235.3-Cross-Site-Scripting.html
- http://www.openwall.com/lists/oss-security/2020/08/12/4
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-79- Platform
- Java / Kotlin (Maven)
- Package
org.jenkins-ci.main:jenkins-core- Disclosed
- 24.05.2022
- Updated
- 11.10.2026 11:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-hvmc-7g2x-r3p9 - CC BY 4.0
Vulnerability history: org.jenkins-ci.main:jenkins-core
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 259
- First → latest
- 01.2022 06.2026
- Without a fix
- 1
- Exploited in attacks
- 4
Severity breakdown
- Critical 19
- High 62
- Medium 158
- Low 20
Disclosures per year
- 2022: 213
- 2023: 14
- 2024: 6
- 2025: 14
- 2026: 12
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Jenkins Cross-Site Scripting vulnerability in help icons this entry
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