TI-2021-04780 Aliases CVE-2021-21700 GHSA-f9gf-2q87-5m44

Cross-site scripting in Jenkins Scriptler Plugin

LOW 26CWE-79Published 2021-11-12 · Updated 2024-08-03

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 3.3 and earlier does not escape the name of scripts on the UI when asking to confirm their deletion, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by exploitable by attackers able to create Scriptler scripts.

Why it matters now

EPSS 0.00707 53rd percentileScored 2026-11-07

Fix Fixed org.jenkins-ci.plugins:scriptler (Maven): 3.4

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 Scriptler Plugin	up to 3.3	—	No fix listed	CNA
—	org.jenkins-ci.plugins:scriptler (Maven)	before 3.4	3.4	Patch available	GHSA-f9gf-2q87-5m44

Jenkins Scriptler Plugin VendorJenkins Affected up to 3.3 Fixed in — No fix listed CNA
org.jenkins-ci.plugins:scriptler (Maven) Vendor— Affected before 3.4 Fixed in 3.4 Patch available GHSA-f9gf-2q87-5m44

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:jenkins:scriptler::::::jenkins::*	up to 3.3	Vulnerable	Jenkins

cpe:2.3:a:jenkins:scriptler:*:*:*:*:*:jenkins:*:* Versions up to 3.3 Vulnerable ·Jenkins

Remediation

Fix · GHSA-f9gf-2q87-5m44 org.jenkins-ci.plugins:scriptler (Maven) Fixed in 3.4 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2021-21700
2026-10-03 Alias added: GHSA-f9gf-2q87-5m44

References

Advisory 3

Other 2

TI-2021-04748 Cross-site scripting in Jenkins Scriptler Plugin CVSS 3.1MEDIUM 5.4
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-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