CVE-2026-73053
9.4
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| siyuan-note | siyuan | 0 < 3.7.4 | affected |
| siyuan-note | siyuan | 3.7.4 | unaffected |
Weaknesses
- CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-vx5w-qrvp-mmcq
- https://www.vulncheck.com/advisories/siyuan-before-cross-site-scripting-via-unicode2emoji
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