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CVE-2025-32388GHSA-6Q87-84JW-CJHP

SvelteKit allows XSS via tracked search_params

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 2.20.6
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • sveltejs kit

    From 2.0.0 · fixed in 2.20.6

  • @sveltejs/kitnpm

    From 2.0.0 · fixed in 2.20.6

References 3

GitHub · sveltejs/kit