CVE-2026-54067— SiYuan 配置错误漏洞

SiYuan: Stored XSS to RCE via CSS-snippet <style> breakout in renderSnippet()

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, CSS snippet body containing </style> breaks out of its surrounding <style> tag when renderSnippet() interpolates it via insertAdjacentHTML. A payload like runs arbitrary JavaScript in the renderer. On Electron desktop builds the renderer runs with nodeIntegration:true, so require('child_process') is reachable from the injected handler and the XSS chains to host RCE. Snippets sync via the workspace repository, so an attacker with write access to any synced workspace plants the payload once and it fires on every device that pulls. The bug also bypasses the user's enabledCSS / enabledJS separation. A user who turned enabledJS off was making a deliberate call not to run untrusted JavaScript; the CSS path runs it anyway. This vulnerability is fixed in 3.7.0.

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

在Web页面生成时对输入的转义处理不恰当(跨站脚本)

SiYuan 配置错误漏洞

SiYuan是SiYuan团队开源的一个个人知识管理系统。 SiYuan 3.7.0之前版本存在安全漏洞，该漏洞源于CSS片段主体中包含的</style>标签在renderSnippet()函数通过insertAdjacentHTML插值时跳出其周围的<style>标签，允许执行任意JavaScript。该漏洞可能导致跨站脚本攻击，进而通过Electron桌面构建的渲染器运行nodeIntegration:true特性链接触发远程代码执行。

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