[CVE-2026-82654] SiYuan before v3.8.1 fails to properly escape block name, alias, and memo fields in hint, backlink, …

Descripción técnica

SiYuan before v3.8.1 fails to properly escape block name, alias, and memo fields in hint, backlink, and breadcrumb rendering functions. Attackers can set a block's name to contain HTML/script tags that execute when another user views documents referencing or displaying that block.

Puntuación CVSS

Score: 8.9/10 — Severidad: HIGH — Estado NIST: Received

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L

Debilidades (CWE)

CWE-79

Fuente oficial

Publicado en NIST NVD.