Cross-site scripting in Jenkins Timestamper Plugin
Priority LOW 23CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- 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 Timestamper Plugin 1.11.1 and earlier does not sanitize HTML formatting of its output, resulting in a stored XSS vulnerability exploitable by attackers with Overall/Administer permission.
Why it matters now
EPSS 0.00702 53rd percentileScored 2026-11-07
Fix Fixed org.jenkins-ci.plugins:timestamper (Maven): 1.11.2
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 Timestamper Plugin | up to 1.11.1 | — | No fix listed | CNA |
| — | org.jenkins-ci.plugins:timestamper (Maven) | before 1.11.2 | 1.11.2 | Patch available | GHSA-6xxf-rwv4-mrjm |
- Jenkins Timestamper Plugin VendorJenkins Affected up to 1.11.1 Fixed in — No fix listed CNA
- org.jenkins-ci.plugins:timestamper (Maven) Vendor— Affected before 1.11.2 Fixed in 1.11.2 Patch available GHSA-6xxf-rwv4-mrjm
Remediation
- Fix · GHSA-6xxf-rwv4-mrjm org.jenkins-ci.plugins:timestamper (Maven) Fixed in 1.11.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-2137
- 2026-10-03 Alias added: GHSA-6xxf-rwv4-mrjm
References
Advisory 3
Sources
- CVE-2020-2137 · CVE Program
- CVE-2020-2137 · NVD
- FIRST EPSS
- GHSA-6xxf-rwv4-mrjm · GitHub Advisory Database · CC BY 4.0
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