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.
Advisories
Source ID Title
EUVD EUVD EUVD-2022-3049 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.
Github GHSA Github GHSA GHSA-7qf3-c2q8-69m3 Reflected XSS vulnerability in Jenkins markup formatter preview
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: jenkins

Published:

Updated: 2024-08-03T18:16:23.627Z

Reserved: 2021-01-04T00:00:00

Link: CVE-2021-21610

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-01-13T16:15:14.007

Modified: 2024-11-21T05:48:41.680

Link: CVE-2021-21610

cve-icon Redhat

Severity : Important

Publid Date: 2021-01-13T00:00:00Z

Links: CVE-2021-21610 - Bugzilla

cve-icon OpenCVE Enrichment

No data.