What is CVE-2025-32388?

CVE-2025-32388 is a medium-severity vulnerability in Sveltejs Kit, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-04-15.

How severe is CVE-2025-32388?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Sveltejs Kit

CVE-2025-32388

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.searc…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (51.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

Affected products

Sveltejs Kit — versions >= 2.0.0, < 2.20.6

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

https://github.com/sveltejs/kit/security/advisories/GHSA-6q87-84jw-cjhp (x_refsource_CONFIRM)
https://github.com/sveltejs/kit/commit/d3300c6a67908590266c363dba7b0835d9a194cf (x_refsource_MISC)
https://github.com/sveltejs/kit/releases/tag/%40sveltejs%2Fkit%402.20.6 (x_refsource_MISC)

Frequently asked questions

What is CVE-2025-32388?: CVE-2025-32388 is a medium-severity vulnerability in Sveltejs Kit, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-04-15.
How severe is CVE-2025-32388?: Medium severity. CVSS v3 base score is 5.4 out of 10.