VULNERABILITY INTELLIGENCE
CVE-2026-84673
CVSS score8.8 HIGH
EPSS probability0.57%
CISA KEVNot currently listed
Published2026-09-02
Last modified2026-09-03
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-79