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CVE-2026-40322: Improper Neutralization of Input During Web Page Generation

🗓️ 16 Apr 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 4 Views

Stored XSS in SiYuan up to 3.6.3 via Mermaid diagrams allowing arbitrary code execution.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-40322
16 Apr 202623:00
–attackerkb
circl
Circl
CVE-2026-40322
17 Apr 202600:14
–circl
cnnvd
CNNVD
SiYuan 安全漏洞
16 Apr 202600:00
–cnnvd
cve
CVE
CVE-2026-40322
16 Apr 202623:00
–cve
cvelist
Cvelist
CVE-2026-40322 SiYuan: Mermaid `javascript:` Link Injection Leads to Stored XSS and Electron RCE
16 Apr 202623:00
–cvelist
euvd
EUVD
EUVD-2026-23330
16 Apr 202623:00
–euvd
mend
Mend
CVE-2026-40322
16 Apr 202623:00
–mend
nvd
NVD
CVE-2026-40322
16 Apr 202623:16
–nvd
ptsecurity
Positive Technologies
PT-2026-33374
16 Apr 202600:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2026-40322
5 Jun 202619:14
–redhatcve
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20 Apr 2026 00:00Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.19
EPSS0.00525
SSVC
4