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CVE-2026-44670

SiYuan: Stored XSS via Attribute View name to Electron renderer RCE in SiYuan PUBLISHED

Description (CNA)

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, the kernel stores Attribute View (AV / database) names without any HTML escape, then a render template uses raw strings.ReplaceAll(tpl, "${avName}", nodeAvName) to embed the name in HTML before pushing to all clients via WebSocket. Three independent client paths (render.ts:120 → outerHTML, Title.ts:401 → innerHTML, transaction.ts:559 → innerHTML) consume the value without escaping. Because the main BrowserWindow runs nodeIntegration:true, contextIsolation:false, webSecurity:false (app/electron/main.js:407-411), HTML injection in the renderer becomes Node.js code execution. This vulnerability is fixed in 3.7.0.

Affected (CNA)

Vendor / productVersions
siyuan-note / siyuanaffected < 3.7.0

CWE

CWE-79, CWE-94, CWE-1188

References

ADP enrichment

CISA-ADP

No English description supplied.