CVE-2026-84665

High

Description

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.

SeverityHigh

CVSS8.0

Exploit probability—

ProductJenkins SonarQube Scanner Plugin

PublishedSep 2, 2026

First seenSep 2, 2026

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Vendor advisories

jenkins.io/security/advisory/2026-09-02/#SECURITY-3989

Affected products

Product	Affected versions	Fixed in
Jenkins Project Jenkins SonarQube Scanner Plugin	v ≤ 2.18.3	—

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