AUGUST 4, 2026
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Case File

CVE-2021-21610

MEDIUM · CVSS 6.1 EPSS 1.19%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-01-13 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2021-21610
Severity
MEDIUM
CVSS
6.1
EPSS
1.19%
Jenkins Java

Original NVD Description

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not implement any restrictions for the URL rendering a formatted preview of markup passed as a query parameter, resulting in a reflected cross-site scripting (XSS) vulnerability if the configured markup formatter does not prohibit unsafe elements (JavaScript) in markup.