Cross-site Scripting vulnerability in Jenkins
Since Jenkins 2.321 and LTS 2.332.1, the HTML output generated for new symbol-based SVG icons includes the title attribute of l:ionicon until Jenkins 2.334 and alt attribute of l:icon since Jenkins 2.335 without further escaping.
This vulnerability is known to be exploitable by attackers with Job/Configure permission.
Jenkins 2.356, LTS 2.332.4 and LTS 2.346.1 addresses this vulnerability, the title attribute of l:ionicon (Jenkins LTS 2.332.4) and alt attribute of l:icon (Jenkins 2.356 and LTS 2.346.1) are escaped in the generated HTML output.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.jenkins-ci.main:jenkins-core | >= 2.350, < 2.356, >= 2.346, < 2.346.1, < 2.332.4 | 2.356, 2.346.1, 2.332.4 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-22, CWE-79- Platform
- Java / Kotlin (Maven)
- Package
org.jenkins-ci.main:jenkins-core- Disclosed
- 24.06.2022
- Updated
- 11.10.2026 11:21
Sources and licenses
OSV / GitHub Advisory Database - GHSA-7f84-p6r5-jr6q - 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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Cross-site Scripting vulnerability in Jenkins this entry
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