CVE-2026-73052

CRITICAL

CVE: CVE-2026-73052 - SiYuan before v3Sign in to save

CVSS

9.0

CVSS v3.1

EPSS

N/A

Exploit Prediction Score

Published

August 15, 2026

Exploitability

No EPSS data available

Description

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.

Weaknesses

CWE-79

Affected Packages

No package data available.

Aliases

CVE-2026-73052

Related references

Publisher and database URLs for this record (shown for attribution; reading stays in Bugflare).

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-g3jx-227v-x2x4
https://www.vulncheck.com/advisories/siyuan-before-stored-xss-via-attribute-view-field-names