Description
Jenkins update-center2 3.18.3 and earlier does not escape plugin-provided values (plugin names, descriptions, and version metadata) on plugin download index pages, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to provide a plugin for hosting.
Published: 2026-09-02
Score: 5.4 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 03 Sep 2026 16:00:00 +0000

Type Values Removed Values Added
First Time appeared Jenkins Project
Jenkins Project jenkins Update-center2
Vendors & Products Jenkins Project
Jenkins Project jenkins Update-center2

Wed, 02 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-79
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'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 02 Sep 2026 10:45:00 +0000

Type Values Removed Values Added
Description Jenkins update-center2 3.18.3 and earlier does not escape plugin-provided values (plugin names, descriptions, and version metadata) on plugin download index pages, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to provide a plugin for hosting.
References

Subscriptions

Jenkins Project Jenkins Update-center2
cve-icon MITRE

Status: PUBLISHED

Assigner: jenkins

Published:

Updated: 2026-09-02T16:52:14.388Z

Reserved: 2026-09-01T21:55:27.036Z

Link: CVE-2026-84677

cve-icon Vulnrichment

Updated: 2026-09-02T16:52:08.686Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-02T16:17:32.330

Modified: 2026-09-03T17:13:16.490

Link: CVE-2026-84677

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-03T15:34:31Z

Weaknesses