2026-03-20 08:14:53
GitHub_M
PUBLISHED
SiYuan is a personal knowledge management system. Versions 3.6.0 and below render package metadata fields (displayName, description) using template literals without HTML escaping. A malicious package author can inject arbitrary HTML/JavaScript into these fields, which executes automatically when any user browses the Bazaar page. Because SiYuans Electron configuration enables nodeIntegration: true with contextIsolation: false, this XSS escalates directly to full Remote Code Execution on the victims operating system — with zero user interaction beyond opening the marketplace tab. This issue has been fixed in version 3.6.1.