Cross-site scripting in Jenkins Validating String Parameter Plugin
Priority LOW 26CWE-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 Validating String Parameter Plugin 2.4 and earlier does not escape various user-controlled fields, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.
Why it matters now
EPSS 0.00735 54th percentileScored 2026-11-07
Fix Fixed org.jenkins-ci.plugins:validating-string-parameter (Maven): 2.5
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 Validating String Parameter Plugin | up to 2.4 | — | No fix listed | CNA |
| — | org.jenkins-ci.plugins:validating-string-parameter (Maven) | before 2.5 | 2.5 | Patch available | GHSA-fvwh-wv43-8qj5 |
- Jenkins Validating String Parameter Plugin VendorJenkins Affected up to 2.4 Fixed in — No fix listed CNA
- org.jenkins-ci.plugins:validating-string-parameter (Maven) Vendor— Affected before 2.5 Fixed in 2.5 Patch available GHSA-fvwh-wv43-8qj5
Remediation
- Fix · GHSA-fvwh-wv43-8qj5 org.jenkins-ci.plugins:validating-string-parameter (Maven) Fixed in 2.5 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-2257
- 2026-10-03 Alias added: GHSA-fvwh-wv43-8qj5
References
Advisory 3
Sources
- CVE-2020-2257 · CVE Program
- CVE-2020-2257 · NVD
- FIRST EPSS
- GHSA-fvwh-wv43-8qj5 · GitHub Advisory Database · CC BY 4.0
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