chore(deps): update dependency @sveltejs/kit to v2.20.6 [security] #9054
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This PR contains the following updates:
2.20.5->2.20.6Warning
Some dependencies could not be looked up. Check the Dependency Dashboard for more information.
GitHub Vulnerability Alerts
CVE-2025-32388
Summary
Unsanitized search param names cause XSS vulnerability. You are affected if you iterate over all entries of
event.url.searchParamsinside a serverloadfunction. Attackers can exploit it by crafting a malicious URL and getting a user to click a link with said URL.Details
SvelteKit tracks which parameters in
event.url.searchParamsare read inside serverloadfunctions. If the application iterates over the these parameters, theuses.search_paramsarray included in the boot script (embedded in the server-rendered HTML) will have any search param name included in unsanitized form.packages/kit/src/runtime/server/utils.js:150has thestringify_uses(node)function which prints these out.Reproduction
In a
+page.server.jsor+layout.server.js:If a user visits the page in question via a link containing
?</script/><script>window.pwned%3D1</script/>, the</script>will be included verbatim in the payload, causing the embedded script to be executed.It is not necessary to return the parameter value from
loador render it in the page, only to read it (which causes it to be tracked as a dependency) whileloadis running.Impact
Any application that iterates over all values in
event.url.searchParamsin aloadfunction in+page.server.jsor+layout.server.js(directly or indirectly) is vulnerable to XSS.Release Notes
sveltejs/kit (@sveltejs/kit)
v2.20.6Compare Source
Patch Changes
d3300c6a67908590266c363dba7b0835d9a194cf)Configuration
📅 Schedule: Branch creation - "" (UTC), Automerge - At any time (no schedule defined).
🚦 Automerge: Enabled.
♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.
🔕 Ignore: Close this PR and you won't be reminded about this update again.
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