Stored XSS vulnerability in Jenkins Active Choices Plugin

MEDIUM 5.4CVE-2021-21699 · GHSA-rp4x-h577-chvq · Published 12/11/2021 · updated 17/06/2026

Package	Affected versions	Patched versions
org.biouno:uno-choice Maven	`< 2.5.7`	`2.5.7`
active choices jenkins	`≤ 2.5.6`	No fix yet

Description

Jenkins Active Choices Plugin 2.5.6 and earlier does not escape the parameter name of reactive parameters and dynamic reference parameters.

This results in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.

Jenkins Active Choices Plugin 2.5.7 escapes references to parameter names.

NVD description

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.

References

nvd.nist.gov/vuln/detail/CVE-2021-21699 · ADVISORY
jenkinsci/active-choices-plugin commit 4529ab6 · WEB
jenkinsci/active-choices-plugin · PACKAGE
jenkins.io/security/advisory/2021-11-12 · WEB
openwall.com/lists/oss-security/2021/11/12/1 · WEB

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