High
SiYuan before 3.8.4 Cross-Site Scripting via Bookmark Labels
Type: advisorySources: OSV
SiYuan versions before 3.8.4 fail to escape bookmark labels imported from notebook files when rendering them in the dock tree. Attackers can craft malicious .sy notebook files with unescaped HTML in bookmark attributes that execute scripts in the Electron renderer with access to child_process for command execution.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-92985
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 12:17 UTC · Revision 1
Source evidence
SiYuan before 3.8.4 Cross-Site Scripting via Bookmark Labels
core-osv · Original sourcePublished 17 Sept 2026, 14:22 UTC
SiYuan versions before 3.8.4 fail to escape bookmark labels imported from notebook files when rendering them in the dock tree. Attackers can craft malicious .sy notebook files with unescaped HTML in bookmark attributes that execute scripts in the Electron renderer with access to child_process for command execution.
osv:CVE-2026-92985
Complete source record
{
"id": "d82671fc7971a9991d59df3295c06adba34bdb333d0a8aec8e028b17e7d1e012",
"url": "https://osv.dev/vulnerability/CVE-2026-92985",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "SiYuan before 3.8.4 Cross-Site Scripting via Bookmark Labels",
"summary": "SiYuan versions before 3.8.4 fail to escape bookmark labels imported from notebook files when rendering them in the dock tree. Attackers can craft malicious .sy notebook files with unescaped HTML in bookmark attributes that execute scripts in the Electron renderer with access to child_process for command execution.",
"evidence": "osv:CVE-2026-92985",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2026-92985",
"aliases": [
"CVE-2026-92985",
"GHSA-jhfc-9mcq-8p8v"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/siyuan-note/siyuan",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "9f775e8a12daef8255556097396f9b2739078892"
},
{
"fixed": "6f093ebe50afc503e2a8b056164293054f8509e7"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "3.8.4"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"range": [
{
"fixed": "6f093ebe50afc503e2a8b056164293054f8509e7"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-92985.json"
}
}
],
"modified": "2026-10-28T02:30:28.456499732Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92985.json",
"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-jhfc-9mcq-8p8v",
"https://nvd.nist.gov/vuln/detail/CVE-2026-92985",
"https://www.vulncheck.com/advisories/siyuan-before-3.8.4-cross-site-scripting-via-bookmark-labels",
"https://github.com/siyuan-note/siyuan/commit/6f093ebe50afc503e2a8b056164293054f8509e7",
"https://github.com/siyuan-note/siyuan",
"https://github.com/siyuan-note/siyuan/blob/v3.8.3/app/src/util/Tree.ts#L134"
],
"provider_metadata": {
"cwe_ids": [
"CWE-79"
],
"cna_assigner": "VulnCheck",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92985.json"
}
},
"related_cves": [
{
"value": "CVE-2026-92985",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 495301,
"published_at": "2026-09-17T14:22:09.581+00:00"
}