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CVE-2026-66395

SiYuan Desktop before v3.7.2 Reflected XSS to RCE via siyuan Protocol PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
siyuan-note / siyuanaffected 0 before 3.7.2; unaffected 3.7.2

CWE

CWE-79

References

ADP enrichment

CISA-ADP

No English description supplied.