AUGUST 5, 2026
Live Feed
Back to database
Case File

CVE-2021-21666

MEDIUM · CVSS 6.1 EPSS 1.22%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-06-10 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.1. It affects Jenkins.

CVE
CVE-2021-21666
Severity
MEDIUM
CVSS
6.1
EPSS
1.22%
Jenkins

Original 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)