Detections
Analytics
CVE-2026-84673
high
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.
References
https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-4104