Cross-site scripting in Jenkins VncRecorder 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 VncRecorder Plugin 1.25 and earlier does not escape a tool path in the `checkVncServ` form validation endpoint, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by Jenkins administrators.
Why it matters now
EPSS 0.00702 53rd percentileScored 2026-11-07
Fix Fixed org.jenkins-ci.plugins:vncrecorder (Maven): 1.35
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 VncRecorder Plugin | up to 1.25 | — | No fix listed | CNA |
| — | org.jenkins-ci.plugins:vncrecorder (Maven) | before 1.35 | 1.35 | Patch available | GHSA-vqp8-h53h-3jfh |
- Jenkins VncRecorder Plugin VendorJenkins Affected up to 1.25 Fixed in — No fix listed CNA
- org.jenkins-ci.plugins:vncrecorder (Maven) Vendor— Affected before 1.35 Fixed in 1.35 Patch available GHSA-vqp8-h53h-3jfh
Remediation
- Fix · GHSA-vqp8-h53h-3jfh org.jenkins-ci.plugins:vncrecorder (Maven) Fixed in 1.35 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-2205
- 2026-10-03 Alias added: GHSA-vqp8-h53h-3jfh
References
Advisory 3
More Jenkins Vncrecorder vulnerabilities
- TI-2020-02083 Cross-site scripting in Jenkins VncRecorder Plugin CVSS 3.1MEDIUM 6.1
Sources
- CVE-2020-2205 · CVE Program
- CVE-2020-2205 · NVD
- FIRST EPSS
- GHSA-vqp8-h53h-3jfh · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences