漏洞信息
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Vulnerability Title
SiYuan XSS-to-RCE via unescaped block metadata in hint popup
Vulnerability Description
SiYuan through 3.7.3 contains a cross-site scripting vulnerability in the '((' block-reference autocomplete hint popup. In genHintItemHTML() (app/src/protyle/hint/extend.ts), a candidate block's name, alias, and memo fields are concatenated into the popup's HTML without escaping. An attacker who can set these metadata fields on a block can inject a self-firing payload (e.g. <img src=x onerror=...>) that executes automatically when a victim types '((' followed by a search term that surfaces the crafted block. Because SiYuan's Electron windows run with nodeIntegration enabled, contextIsolation disabled, and no CSP, the injected script gains require('child_process') access, allowing the XSS to escalate to arbitrary OS command execution.
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Vulnerability Title
SiYuan 跨站脚本漏洞
Vulnerability Description
SiYuan是SiYuan团队开源的一款文档管理软件。 SiYuan 3.7.3及之前版本存在跨站脚本漏洞,该漏洞源于块引用自动补全提示弹出窗口中候选块的名称、别名和备忘录字段未转义直接拼接HTML,可能导致跨站脚本攻击,并可能升级为任意操作系统命令执行。
CVSS Information
N/A
Vulnerability Type
N/A