Jenkins 2.483 through 2.567 (both inclusive), LTS 2.492.1 through 2.555.2 (both inclusive) does not escape the user-provided description of a generic offline cause that could be set through the `POST config.xml` API, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Agent/Configure permission.
History

Wed, 17 Jun 2026 12:15:00 +0000

Type Values Removed Values Added
Title jenkins: Jenkins: Stored Cross-Site Scripting (XSS) via unescaped user-provided description
References
Metrics threat_severity

None

threat_severity

Moderate


Wed, 17 Jun 2026 05:15:00 +0000

Type Values Removed Values Added
Title Stored Cross‑Site Scripting via Config.xml POST API in Jenkins

Mon, 15 Jun 2026 18:15:00 +0000

Type Values Removed Values Added
First Time appeared Jenkins
Jenkins jenkins
CPEs cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*
cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*
Vendors & Products Jenkins
Jenkins jenkins
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}


Wed, 10 Jun 2026 15:15:00 +0000

Type Values Removed Values Added
Title Stored Cross‑Site Scripting via Config.xml POST API in Jenkins
First Time appeared Jenkins Project
Jenkins Project jenkins
Weaknesses CWE-79
Vendors & Products Jenkins Project
Jenkins Project jenkins

Wed, 10 Jun 2026 13:30:00 +0000

Type Values Removed Values Added
Description Jenkins 2.483 through 2.567 (both inclusive), LTS 2.492.1 through 2.555.2 (both inclusive) does not escape the user-provided description of a generic offline cause that could be set through the `POST config.xml` API, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Agent/Configure permission.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: jenkins

Published: 2026-06-10T13:06:01.921Z

Updated: 2026-06-10T13:06:01.921Z

Reserved: 2026-06-09T14:26:44.789Z

Link: CVE-2026-53441

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2026-06-10T14:16:37.087

Modified: 2026-06-15T18:05:52.100

Link: CVE-2026-53441

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-06-10T13:06:01Z

Links: CVE-2026-53441 - Bugzilla