CVE-2026-27122

MEDIUM

5.4

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.15.4

SeveridadeMEDIUM

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

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosLOW

Interacao do usuarioREQUIRED

Publicado2/20/2026

Ultima modificacao2/23/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

svelte:svelte

Fraquezas (CWE)

CWE-79

Referencias

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

Correlacoes IOC

Sem correlacoes registradas

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