CVE-2026-27902: svelte

csirt@kutim:~/threat-intel/cve/CVE-2026-27902

CVSS 5.4 · Medium EPSS 0,39%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada svelte. Skor CVSS 3.1 5.4 (Medium) menurut NVD.

Deskripsi (NVD)

Svelte performance oriented web framework. Prior to version 5.53.5, errors from `transformError` were not correctly escaped prior to being embedded in the HTML output, causing potential HTML injection and XSS if attacker-controlled content is returned from `transformError`. Version 5.53.5 fixes the issue.

Rincian

Terbit di NVD: 26 Februari 2026
Terakhir diubah: 17 Juni 2026
Status NVD: Analyzed
CVSS 3.1: 5.4 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
EPSS (30 hari): 0,39% peluang dieksploitasi; lebih tinggi dari 30,9% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
svelte	svelte	Versi 5.53.0 hingga sebelum 5.53.5

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/sveltejs/svelte/security/advisories/GHSA-qgvg-pr8v-6rr3 advisory vendor
https://github.com/sveltejs/svelte/commit/0298e979371bb583855c9810db79a70a551d22b9 patch
https://github.com/sveltejs/svelte/releases/tag/svelte%405.53.5 release notes

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:11 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.