Vulnerability · Published Mar 19, 2026 · Assigned by GitHub_M

CVE-2026-32751SiYuan Vulnerable to Remote Code Execution via Stored XSS in Notebook Name - Mobile Interface

Medium 5.1

In plain English

A medium-severity cross-site scripting in siyuan from siyuan-note. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 58% of all known vulnerabilities).

Severity (CVSS 4.0)5.1Medium
Exploit odds (30 days)0.8%top 41.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

SiYuan is a personal knowledge management system. In versions 3.6.0 and below, the mobile file tree (MobileFiles.ts) renders notebook names via innerHTML without HTML escaping when processing renamenotebook WebSocket events. The desktop version (Files.ts) properly uses escapeHtml() for the same operation. An authenticated user who can rename notebooks can inject arbitrary HTML/JavaScript that executes on any mobile client viewing the file tree. Since Electron is configured with nodeIntegration: true and contextIsolation: false, the injected JavaScript has full Node.js access, escalating stored XSS to full remote code execution. The mobile layout is also used in the Electron desktop app when the window is narrow, making this exploitable on desktop as well. This issue has been fixed in version 3.6.1.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Gogithub.com/siyuan-note/siyuan/kernelno fix listedGHSA-qr46-rcv3-4hq3
Gogithub.com/siyuan-note/siyuan/kernelno fix listedGO-2026-4706

Affected products (as reported)

VendorProductVersions
siyuan-note siyuan < 3.6.1

Weakness: CWE-79 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

References