What is CVE-2026-84665?

CVE-2026-84665 is a high-severity vulnerability in Jenkins Project Sonarqube Scanner Plugin, classified under Cross-site Scripting. CVSS score: 8.0/10. Published 2026-09-02.

How severe is CVE-2026-84665?

High severity. CVSS v3 base score is 8.0 out of 10.

XSS in Jenkins Project Sonarqube Scanner Plugin

CVE-2026-84665

Jenkins SonarQube Scanner Plugin 2.18.3 and earlier does not limit URL schemes for the dashboard links it creates based on SonarQube scanner results, allowing the `javascript:` scheme, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission.

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

Affected products

Jenkins Project Sonarqube Scanner Plugin

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

jenkinsci-cert@googlegroups.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-84665?: CVE-2026-84665 is a high-severity vulnerability in Jenkins Project Sonarqube Scanner Plugin, classified under Cross-site Scripting. CVSS score: 8.0/10. Published 2026-09-02.
How severe is CVE-2026-84665?: High severity. CVSS v3 base score is 8.0 out of 10.