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SiYuan 跨站脚本漏洞

🗓️ 10 Mar 2026 00:00:00Reported by China National Vulnerability Database of Information SecurityType 
cnnvd
 cnnvd
🔗 www.cnnvd.org.cn👁 23 Views

SiYuan versions before 3.5.10 have reflection-based XSS due to the SVG cleaner not blocking javascript: in href attributes.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-31809
10 Mar 202620:58
–attackerkb
circl
Circl
CVE-2026-31809
9 Mar 202608:40
–circl
cve
CVE
CVE-2026-31809
10 Mar 202620:58
–cve
cvelist
Cvelist
CVE-2026-31809 SiYuan has a SVG Sanitizer Bypass via Whitespace in `javascript:` URI — Unauthenticated XSS
10 Mar 202620:58
–cvelist
euvd
EUVD
EUVD-2026-10896
10 Mar 202623:57
–euvd
euvd
EUVD
EUVD-2026-10897
10 Mar 202623:57
–euvd
github
Github Security Blog
SiYuan has a SVG Sanitizer Bypass via Whitespace in `javascript:` URI — Unauthenticated XSS
10 Mar 202623:57
–github
mend
Mend
CVE-2026-31809
10 Mar 202620:58
–mend
nuclei
Nuclei
SiYuan <= v3.5.9 - Cross Site Scripting
19 Oct 202602:08
–nuclei
nvd
NVD
CVE-2026-31809
10 Mar 202621:16
–nvd
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29 May 2026 00:00Current
7.8High risk
Vulners AI Score7.8
CVSS 3.16.1
CVSS 46.4
EPSS0.00569
SSVC
23