jenkinsci/kiuwan-plugin · Security

Cross-site scripting in Jenkins Kiuwan Plugin

GHSA ID
GHSA-8h77-3xwr-hqhh
CVE ID
CVE-2021-21666
Severity
medium
Published
Updated
CVSS
6.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v3
6.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Description

Jenkins Kiuwan Plugin 1.6.0 and earlier does not escape query parameters in an error message for a form validation endpoint, resulting in a reflected cross-site scripting (XSS) vulnerability.

Only older releases of Jenkins are affected by this vulnerability. Jenkins 2.275 and newer, LTS 2.263.2 and newer include a protection preventing this from being exploitable.

Jenkins Kiuwan Plugin 1.6.1 escapes affected parts of the error message in the form validation endpoint.

CWEs

References