XSS in Spring Tools For Eclipse
CVE-2026-59328
Spring Tools for Eclipse renders Spring Boot starter wizard dependency tooltips in a native embedded browser (SWT Browser) with JavaScript enabled. Using untrusted and compromised Initializr endpoints for the Spring Boot starter wizard can result in arbitrary script execution inside the embedded browser when a developer hovers a dependency checkbox in the New Spring Starter Project wizard. Impact is limited to in-IDE UI spoofing and outbound network beaconing rather than full code execution. Affected Spring Products and Versions: Spring Tools for Eclipse: 5.2.0 and earlier
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.002 (6.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N.
Affected products
- Spring Tools For Eclipse — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-59328?
- CVE-2026-59328 is a medium-severity vulnerability in Spring Tools For Eclipse, classified under Cross-site Scripting. CVSS score: 4.2/10. Published 2026-07-30.
- How severe is CVE-2026-59328?
- Medium severity. CVSS v3 base score is 4.2 out of 10.