High severity8.8NVD Advisory· Published Sep 2, 2026· Updated Sep 2, 2026
CVE-2026-84673
CVE-2026-84673
Description
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.
AI Insight
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Affected products
1- Range: <=295.v2544b_ca_19b_97
Patches
Vulnerability mechanics
References
1News mentions
1- Jenkins Security Advisory 2026-09-02Jenkins Security Advisories · Sep 2, 2026