Back exploit-intel.com

CVE-2026-73052: SiYuan before v3.7.4 Stored XSS via Attribute-View Field Names [CRITICAL] CVSS 9.4 Exploit Intelligence — Recent CVEs / 15h SiYuan before v3.7.4 stores attribute-view field names without HTML escaping and interpolates them directly into option elements via innerHTML in the sort menu. Attackers can inject markup by renaming a database field to execute arbitrary JavaScript when users open the sort menu, with Node integration enabled in the desktop client enabling code execution.

exploit-intel.com • August 16, 2026

SiYuan before v3.7.4 stores attribute-view field names without HTML escaping and interpolates them directly into option elements via innerHTML in the sort . Attackers can inject markup by renaming a database field to execute arbitrary JavaScript when users open the sort , with Node integration enabled in the desktop client enabling code execution.

Default status: unaffected

The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Critical Stored XSS Vulnerabilities Found in SiYuan Versions Before 3.7.4 Two critical vulnerabilities, CVE-2026-73050 and CVE-2026-73052, have been identified in SiYuan versions prior to 3.7.4. CVE-2026-73050 allows attackers to exploit stored cross-site scripting (XSS) via unescaped color fields in select options, executing arbitrary JavaScript in victim browsers. CVE-2026-73052 enables similar attacks through unescaped attribute-view field names, potentially leading to arbitrary code execution on systems with Node integration enabled. Both vulnerabilities require authenticated access for exploitation, and no public proof-of-concept exploits are currently available. Users are advised to upgrade to version 3.7.4 or later to mitigate these risks. The vulnerabilities have been assigned a CVSS score of 9.4, indicating their critical nature. Security advisories have been released, urging immediate action to restrict access and review existing configurations. 3 sources 78

Extracted Entities

The full story

Extracted Entities

CVEs (1)

CWE Weaknesses (1)

Vulnerabilities (2)