critical9.6
CVE-2026-66395
SiYuan desktop before v3.7.2 contains a reflected cross-site scripting vulnerability in the bazaar plugin readme handler that allows attackers to execute arbit…
Impact
SiYuan desktop before v3.7.2 contains a reflected cross-site scripting vulnerability in the bazaar plugin readme handler that allows attackers to execute arbitrary code by crafting a malicious siyuan:// deep link. Attackers can inject HTML payloads via the plugin name parameter that execute with full Node.js access through insertAdjacentHTML rendering in an insecurely configured Electron renderer.
Affected products
| Product | Affected versions |
|---|---|
| SiYuan Desktop | before 3.7.2 |
Versions were read from the advisory text. No structured product data has been published for this record yet.