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.
Problem types
CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Product status
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
