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CVE-2026-40322 SiYuan: Mermaid `javascript:` Link Injection Leads to Stored XSS and Electron RCE

🗓️ 16 Apr 2026 23:00:07Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 12 Views

Mermaid diagrams in SiYuan before 3.6.4 allow javascript: links causing stored cross-site scripting and Electron execution.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-40322
16 Apr 202623:00
attackerkb
Circl
CVE-2026-40322
17 Apr 202600:14
circl
CNNVD
SiYuan 安全漏洞
16 Apr 202600:00
cnnvd
CVE
CVE-2026-40322
16 Apr 202623:00
cve
EUVD
EUVD-2026-23330
16 Apr 202623:00
euvd
NVD
CVE-2026-40322
16 Apr 202623:16
nvd
Positive Technologies
PT-2026-33374
16 Apr 202600:00
ptsecurity
RedhatCVE
CVE-2026-40322
5 Jun 202619:14
redhatcve
Vulnrichment
CVE-2026-40322 SiYuan: Mermaid `javascript:` Link Injection Leads to Stored XSS and Electron RCE
16 Apr 202623:00
vulnrichment
[
  {
    "vendor": "siyuan-note",
    "product": "siyuan",
    "versions": [
      {
        "version": "< 3.6.4",
        "status": "affected"
      }
    ]
  }
]

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