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CVE-2026-42599 Cross-site scripting via spread attributes in Svelte SSR

🗓️ 09 Jun 2026 16:22:46Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 4 Views

Svelte before 5.55.7 can spread untrusted data to include event handlers in HTML, enabling XSS during hydration.

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08 Jul 2026 08:10Current
6Medium risk
Vulners AI Score6
CVSS 45
EPSS0.00168
4