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CVE-2026-40922 SiYuan: Incomplete sanitization of bazaar README allows stored XSS via iframe srcdoc (incomplete fix for CVE-2026-33066)

🗓️ 16 Apr 2026 23:14:00Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 55 Views

SiYuan 3.6.1–3.6.3 allow stored XSS via iframe srcdoc in bazaar README; fixed in 3.6.4.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-40922
16 Apr 202623:14
–attackerkb
bdu_fstec
BDU FSTEC
SiYuan Personal Knowledge Management System Code Execution
1 Jun 202600:00
–bdu_fstec
circl
Circl
CVE-2026-40922
13 Apr 202612:45
–circl
cnnvd
CNNVD
SiYuan security vulnerabilities
17 Apr 202600:00
–cnnvd
cve
CVE
CVE-2026-40922
16 Apr 202623:14
–cve
euvd
EUVD
EUVD-2026-23331
16 Apr 202623:14
–euvd
github
Github Security Blog
SiYuan has incomplete fix for CVE-2026-33066: XSS
14 Apr 202623:12
–github
mend
Mend
CVE-2026-40922
16 Apr 202623:14
–mend
nvd
NVD
CVE-2026-40922
17 Apr 202601:17
–nvd
osv_ghsa
osv_ghsa
GHSA-4663-4MPG-879V SiYuan has Stored XSS to RCE via Unsanitized Bazaar README Rendering
18 Mar 202616:09
–osv_ghsa
Rows per page
[
  {
    "vendor": "siyuan-note",
    "product": "siyuan",
    "versions": [
      {
        "version": "< 3.6.4",
        "status": "affected"
      }
    ]
  }
]

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