CVE-2021-21666

Published: Jun 10, 2021Modified: Jun 17, 2026

6.1

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitability: 2.8 / Impact: 2.7

Source: NVD

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.

Affected (1)

Products: Jenkins: Kiuwan

Jenkins

1 product

Kiuwan

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Jenkins Kiuwan	Up to 1.6.0

Related CWEs

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (4)

http://www.openwall.com/lists/oss-security/2021/06/10/14

Source: jenkinsci-cert@googlegroups.com

Mailing ListThird Party Advisory

https://www.jenkins.io/security/advisory/2021-06-10/#SECURITY-2367

Source: jenkinsci-cert@googlegroups.com

Vendor Advisory

http://www.openwall.com/lists/oss-security/2021/06/10/14

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

https://www.jenkins.io/security/advisory/2021-06-10/#SECURITY-2367

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.