CVE-2021-21666

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CVSS 3.1

6.1 medium

EPSS

1%p67

Published

Jun 10, 2021 (Jun 10, 2021)

Modified

Jun 17, 2026

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.

Vendors: jenkins
Products: kiuwan
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (1.2%)

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