TI-2021-04779 Aliases CVE-2021-21699 GHSA-rp4x-h577-chvq

Cross-site scripting in Jenkins Active Choices Plugin

HIGH 67CWE-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 Active Choices Plugin 2.5.6 and earlier does not escape the parameter name of reactive parameters and dynamic reference parameters, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.

Why it matters now

EPSS 0.88476 99th percentileScored 2026-11-07

Fix Fixed org.biouno:uno-choice (Maven): 2.5.7

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 Active Choices Plugin	up to 2.5.6	—	No fix listed	CNA
—	org.biouno:uno-choice (Maven)	before 2.5.7	2.5.7	Patch available	GHSA-rp4x-h577-chvq

Jenkins Active Choices Plugin VendorJenkins Affected up to 2.5.6 Fixed in — No fix listed CNA
org.biouno:uno-choice (Maven) Vendor— Affected before 2.5.7 Fixed in 2.5.7 Patch available GHSA-rp4x-h577-chvq

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:jenkins:active_choices::::::jenkins::*	up to 2.5.6	Vulnerable	Jenkins

cpe:2.3:a:jenkins:active_choices:*:*:*:*:*:jenkins:*:* Versions up to 2.5.6 Vulnerable ·Jenkins

Remediation

Fix · GHSA-rp4x-h577-chvq org.biouno:uno-choice (Maven) Fixed in 2.5.7 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2021-21699
2026-10-03 Alias added: GHSA-rp4x-h577-chvq

References

Advisory 3

Other 2

TI-2021-04696 Cross-site scripting in Jenkins Active Choices Plugin CVSS 3.1MEDIUM 4.6
TI-2020-02167 Cross-site scripting in Jenkins Active Choices Plugin CVSS 3.1MEDIUM 5.4
TI-2020-02166 Cross-site scripting in Jenkins Active Choices Plugin CVSS 3.1MEDIUM 5.4
TI-2017-14605 Jenkins Active Choices plugin version 1.5.3 and earlier allowed users with Job/Configure… CVSS 3.0MEDIUM 5.4

Sources

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