CVE-2026-23645
EUVD-2026-286316.01.2026, 20:15
SiYuan is self-hosted, open source personal knowledge management software. Prior to 3.5.4-dev2, a Stored Cross-Site Scripting (XSS) vulnerability exists in SiYuan Note. The application does not sanitize uploaded SVG files. If a user uploads and views a malicious SVG file (e.g., imported from an untrusted source), arbitrary JavaScript code is executed in the context of their authenticated session. This vulnerability is fixed in 3.5.4-dev2.
Affected Products (NVD)
| Vendor | Product | Version |
|---|---|---|
| b3log | siyuan | 𝑥 < 3.5.4 |
| b3log | siyuan | 3.5.4:dev1 |
𝑥
= Vulnerable software versions