Cross-site scripting in Jenkins AnchorChain Plugin
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
Jenkins AnchorChain Plugin 1.0 does not limit URL schemes for links it creates based on workspace content, allowing the `javascript:` scheme, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to control the input file for the Anchor Chain post-build step.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Jenkins | Jenkins AnchorChain Plugin | 1.0 | — | No fix listed | CNA |
| — | org.jenkins-ci.plugins:anchorchain (Maven) | — | — | No fix listed | GHSA-xxrg-mg63-qfpj |
- Jenkins AnchorChain Plugin VendorJenkins Affected 1.0 Fixed in — No fix listed CNA
- org.jenkins-ci.plugins:anchorchain (Maven) Vendor— Affected — Fixed in — No fix listed GHSA-xxrg-mg63-qfpj
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-30196
- 2026-10-03 Alias added: GHSA-xxrg-mg63-qfpj
References
Sources
- CVE-2025-30196 · CVE Program
- CVE-2025-30196 · NVD
- FIRST EPSS
- GHSA-xxrg-mg63-qfpj · 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