ShellCodeX vulnerability brief
CRITICAL
Received
CVE-2026-73053
SiYuan versions before v3.7.4 contain a cross-site scripting vulnerability in the unicode2Emoji function that fails to sanitize codepoint branch output. Attackers can craft document icons with hex-encoded markup that executes in the renderer with Node integration enabled, achieving arbitrary code execution on the host system.
Published 15 Aug 2026, 22:16 UTC
Last modified 15 Aug 2026, 22:16 UTC
01
Attack profile
The conditions required to exploit this vulnerability and its potential impact.
Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
Passive
Scope
Not assessed
Confidentiality
Not assessed
Integrity
Not assessed
Availability
Not assessed
02
Affected products
Product applicability statements supplied with the NVD record.
NVD has not published structured affected-product data for this record.
03
Weakness classification
CWE categories help security teams group the underlying software weakness.
04
Source references
External advisories, patches and technical reports attached to this CVE record.