CVE-2026-73052 SiYuan before v3.7.4 Stored XSS via Attribute-View Field Names
Attackers can inject JavaScript via database field names to execute arbitrary code in the SiYuan desktop client when Node integration is enabled.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-73052?
CVE-2026-73052 is a critical cross-site scripting vulnerability in siyuan-note siyuan, published on 15 Aug 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2026-73052?
How do I fix CVE-2026-73052?
No fix has been published for CVE-2026-73052 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-73052 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-73052 exists.
Sources
Also known as GHSA-65ff-h86c-m5g9.