Cross-site scripting in Jenkins REST List Parameter Plugin
Priority LOW 36CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
Jenkins REST List Parameter Plugin 1.3.0 and earlier does not escape a parameter name reference in embedded JavaScript, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.
Why it matters now
EPSS 0.08759 95th percentileScored 2026-11-07
Fix Fixed io.jenkins.plugins:rest-list-parameter (Maven): 1.3.1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Jenkins | Jenkins REST List Parameter Plugin | up to 1.3.0 | — | No fix listed | CNA |
| — | io.jenkins.plugins:rest-list-parameter (Maven) | before 1.3.1 | 1.3.1 | Patch available | GHSA-x3m6-vcp7-98mr |
- Jenkins REST List Parameter Plugin VendorJenkins Affected up to 1.3.0 Fixed in — No fix listed CNA
- io.jenkins.plugins:rest-list-parameter (Maven) Vendor— Affected before 1.3.1 Fixed in 1.3.1 Patch available GHSA-x3m6-vcp7-98mr
Remediation
- Fix · GHSA-x3m6-vcp7-98mr io.jenkins.plugins:rest-list-parameter (Maven) Fixed in 1.3.1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-21635
- 2026-10-03 Alias added: GHSA-x3m6-vcp7-98mr
References
Advisory 3
More Jenkins Rest List Parameter vulnerabilities
- TI-2022-15111 Cross-site scripting in Jenkins REST List Parameter Plugin CVSS 3.1MEDIUM 5.4
Sources
- CVE-2021-21635 · CVE Program
- CVE-2021-21635 · NVD
- FIRST EPSS
- GHSA-x3m6-vcp7-98mr · GitHub Advisory Database · CC BY 4.0
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