PT-2026-84796 · Jenkins · Jenkins Customizable Header Plugin

CVE-2026-84673

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Published

2026-09-02

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Updated

2026-09-02

CVSS v3.1

8.8

High

VectorAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Jenkins Customizable Header Plugin 295.v2544b ca 19b 97 and earlier allows overwriting the plugin's appearance configuration through Stapler data binding, allowing attackers to configure a custom SVG icon containing inline JavaScript, resulting in a stored cross-site scripting (XSS) vulnerability.

Fix

XSS

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Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-84673

Affected Products

Jenkins Customizable Header Plugin