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SiYuan has Stored XSS to RCE via Unsanitized Bazaar Package Metadata

🗓️ 18 Mar 2026 16:09:34Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 20 Views

Stored cross site scripting leads to remote code execution via unsanitized Bazaar metadata in SiYuan <=3.5.9.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
githubexploit
GithubExploit
Exploit for Cross-site Scripting in B3Log Siyuan
12 May 202619:20
–githubexploit
attackerkb
attackerkb
CVE-2026-33067
20 Mar 202608:14
–attackerkb
circl
Circl
CVE-2026-33067
17 Mar 202600:49
–circl
cnnvd
CNNVD
SiYuan security vulnerabilities
20 Mar 202600:00
–cnnvd
cve
CVE
CVE-2026-33067
20 Mar 202608:14
–cve
cvelist
Cvelist
CVE-2026-33067 SiYuan has Stored XSS to RCE via Unsanitized Bazaar Package Metadata
20 Mar 202608:14
–cvelist
kitploit
Kitploit
cve-2026-33067
26 Oct 202616:35
–kitploit
mend
Mend
CVE-2026-33067
20 Mar 202608:14
–mend
nvd
NVD
CVE-2026-33067
20 Mar 202609:16
–nvd
osv_ghsa
osv_ghsa
GHSA-MVPM-V6Q4-M2PF SiYuan has Stored XSS to RCE via Unsanitized Bazaar Package Metadata
18 Mar 202616:09
–osv_ghsa
Rows per page
Vulners
Node
siyuan-notesiyuanRange<0.0.0-20260317012524-fe4523fff2c8go

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20 Mar 2026 21:23Current
7.6High risk
Vulners AI Score7.6
CVSS 3.19
CVSS 45.3
EPSS0.00559
SSVC
20