CVE-2026-34585 SiYuan: Stored XSS in imported .sy.zip content leads to arbitrary command execution

SiYuan is a personal knowledge management system. Prior to version 3.6.2, a vulnerability allows crafted block attribute values to bypass server-side attribute escaping when an HTML entity is mixed with raw special characters. An attacker can embed a malicious IAL value inside a .sy document,...

CVE-2026-34585 SiYuan: Stored XSS in imported .sy.zip content leads to arbitrary command execution

SiYuan is a personal knowledge management system. Prior to version 3.6.2, a vulnerability allows crafted block attribute values to bypass server-side attribute escaping when an HTML entity is mixed with raw special characters. An attacker can embed a malicious IAL value inside a .sy document,...