CVE-2025-32388: Sveltejs Kit

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. Prior to 2.20.6 , unsanitized search param names cause XSS vulnerability. You are affected if you iterate over all entries of event.url.searchParams inside a server load function. Attackers can exploit it by crafting a malicious URL and getting a user to click a link with said URL. This vulnerability is fixed in 2.20.6.

Affected products

• Sveltejs Kit: from 2.0.0, before 2.20.6 (fixed in 2.20.6)

Published 2025-04-15. Last modified 2026-06-17.