CVE-2024-53262: low-severity vulnerability in sveltejs kit
Unescaped error message included on error page in SvelteKit
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
8Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 2epss 0.5%
SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. The static error.html template for errors contains placeholders that are replaced without escaping the content first. error.html is the page that is rendered when everything else fails. It can contain the following placeholders: %sveltekit.status% — the HTTP status, and %sveltekit.error.message% — the error message. This leads to possible injection if an app explicitly creates an error with a message that contains user controlled content. Only applications where user provided input is used in the `Error` message will be vulnerable, so the vast majority of applications will not be vulnerable This issue has been addressed in version 2.8.3 and all users are advised to upgrade. There are no known workarounds for this vulnerability.
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Affected products
sveltejs · kitRelated CVEs — sveltejs kit
In the same product, most dangerous first.
CVE-2024-23641HIGHSending a GET or HEAD request with a body crashes SvelteKitEPSS 0.8%CVE-2025-67647HIGHSvelteKit Denial of service and possible SSRF when using prerenderingEPSS 0.6%CVE-2026-22803HIGHSvelteKit has a memory amplification DoS in Remote Functions binary form deserializerEPSS 0.6%CVE-2023-29003HIGHSvelteKit has Insufficient Cross-Site Request Forgery ProtectionEPSS 0.6%CVE-2026-40073HIGHSvelteKit has a BODY_SIZE_LIMIT bypass in @sveltejs/adapter-nodeEPSS 0.5%CVE-2026-82259HIGHSvelteKit 2.49.0 before 2.53.3 Denial of Service via formEPSS 0.5%