CVE-2025-32388

Description

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.

Reserved 2025-04-06 | Published 2025-04-15 | Updated 2025-04-16 | Assigner GitHub_M

Problem types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

>= 2.0.0, < 2.20.6
affected

References

github.com/...js/kit/security/advisories/GHSA-6q87-84jw-cjhp

github.com/...ommit/d3300c6a67908590266c363dba7b0835d9a194cf

github.com/sveltejs/kit/releases/tag/@sveltejs/kit@2.20.6

cve.org (CVE-2025-32388)

nvd.nist.gov (CVE-2025-32388)

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