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TI-2021-04748 Aliases CVE-2021-21668GHSA-5c6c-w4c4-vgvx

Cross-site scripting in Jenkins Scriptler Plugin

Priority MEDIUM 63CWE-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 Scriptler Plugin 3.1 and earlier does not escape script content, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Scriptler/Configure permission.

Why it matters now

EPSS 0.76016 99th percentileScored 2026-11-07
Fix Fixed org.jenkins-ci.plugins:scriptler (Maven): 3.2

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
JenkinsJenkins Scriptler Pluginup to 3.1—No fix listedCNA
—org.jenkins-ci.plugins:scriptler (Maven)before 3.23.2Patch availableGHSA-5c6c-w4c4-vgvx
  • Jenkins Scriptler Plugin VendorJenkins Affected up to 3.1 Fixed in — No fix listed CNA
  • org.jenkins-ci.plugins:scriptler (Maven) Vendor— Affected before 3.2 Fixed in 3.2 Patch available GHSA-5c6c-w4c4-vgvx

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jenkins:scriptler:*:*:*:*:*:jenkins:*:*up to 3.1VulnerableJenkins
  • cpe:2.3:a:jenkins:scriptler:*:*:*:*:*:jenkins:*:* Versions up to 3.1 Vulnerable ·Jenkins

Remediation

  • Fix · GHSA-5c6c-w4c4-vgvx org.jenkins-ci.plugins:scriptler (Maven) Fixed in 3.2 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-21668
  2. 2026-10-03 Alias added: GHSA-5c6c-w4c4-vgvx

References

Advisory 3

Other 1

  • TI-2021-04747 Cross-site scripting in Jenkins Scriptler Plugin CVSS 3.1MEDIUM 5.4
  • TI-2023-27694 Jenkins Scriptler Plugin 342.v6a_89fd40f466 and earlier does not restrict a file name… CVSS 3.1HIGH 8.1
  • TI-2021-04780 Cross-site scripting in Jenkins Scriptler Plugin CVSS 3.1MEDIUM 5.4
  • TI-2023-27695 Missing authorization in Jenkins Scriptler Plugin CVSS 3.1MEDIUM 4.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences