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CVE-2026-93923 SiYuan through 3.8.4 Stored XSS via Heading Style Attribute

🗓️ 18 Sep 2026 23:12:09Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 46 Views

Stored XSS in SiYuan via unescaped heading style attributes in outline and bookmark dock.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-93923
19 Sep 202601:37
–circl
cve
CVE
CVE-2026-93923
18 Sep 202623:12
–cve
euvd
EUVD
EUVD-2026-83459
19 Sep 202600:32
–euvd
nvd
NVD
CVE-2026-93923
19 Sep 202600:16
–nvd
ptsecurity
Positive Technologies
PT-2026-95721
18 Sep 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-93923: Improper Neutralization of Input During Web Page Generation
19 Sep 202600:00
–rapid7
vulnrichment
Vulnrichment
CVE-2026-93923 SiYuan through 3.8.4 Stored XSS via Heading Style Attribute
18 Sep 202623:12
–vulnrichment
[
  {
    "vendor": "siyuan-note",
    "product": "siyuan",
    "packageName": "github.com/siyuan-note/siyuan/kernel",
    "collectionURL": "https://pkg.go.dev",
    "packageURL": "pkg:golang/github.com/siyuan-note/siyuan/kernel",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThanOrEqual": "3.8.4",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  }
]

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18 Sep 2026 23:12Current
CVSS 48.6
CVSS 3.18.8
EPSS0.00599
SSVC
46