CVE-2026-27122

MEDIUM

5.4

Descripcion

svelte performance oriented web framework. Prior to 5.51.5, when using <svelte:element this={tag}> in server-side rendering, the provided tag name is not validated or sanitized before being emitted into the HTML output. If the tag string contains unexpected characters, it can result in HTML injection in the SSR output. Client-side rendering is not affected. This vulnerability is fixed in 5.51.5.

Detalles CVE

Puntuacion CVSS v3.15.4

SeveridadMEDIUM

Vector CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosLOW

Interaccion usuarioREQUIRED

Publicado2/20/2026

Ultima modificacion2/23/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

svelte:svelte

Debilidades (CWE)

CWE-79

Referencias

https://github.com/sveltejs/svelte/security/advisories/GHSA-m56q-vw4c-c2cp(security-advisories@github.com)

Correlaciones IOC

Sin correlaciones registradas

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