CVE Explorer

CVE-2026-41421

SiYuan is an open-source personal knowledge management system. Prior to 3.6.5, SiYuan desktop renders notification messages as raw HTML inside an Electron renderer. The notification route POST /api/notification/pushMsg accepts a user-controlled msg value, forwards it through the backend broadcast layer, and the frontend inserts it into the DOM with insertAdjacentHTML(...) at message.ts. On desktop builds, this is not limited to ordinary XSS. Electron windows are created with nodeIntegration: tru

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9cfc823f61f5765ac31c839f898eab5e7793c4ec36c8f3354925a8b34348b8bf

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:8849551c72c197f8b08bc51999be1fe0c29eb092b4fcbd692aca6931c7f1d000 · sha256:847e84e5bd64a2f7… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-78","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:8849551c72c197f8b08bc51999be1fe0c29eb092b4fcbd692aca6931c7f1d000 · sha256:847e84e5bd64a2f7… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion

{"product":"siyuan","vendor":"siyuan-note","versions":[{"status":"affected","version":"< 3.6.5"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:8849551c72c197f8b08bc51999be1fe0c29eb092b4fcbd692aca6931c7f1d000 · sha256:847e84e5bd64a2f7… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:8849551c72c197f8b08bc51999be1fe0c29eb092b4fcbd692aca6931c7f1d000 · sha256:847e84e5bd64a2f7… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions

{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:8849551c72c197f8b08bc51999be1fe0c29eb092b4fcbd692aca6931c7f1d000 · sha256:847e84e5bd64a2f7… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-78","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:8849551c72c197f8b08bc51999be1fe0c29eb092b4fcbd692aca6931c7f1d000 · sha256:847e84e5bd64a2f7… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"tags":["exploit"],"url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-grjj-6f6g-cq8q"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:8849551c72c197f8b08bc51999be1fe0c29eb092b4fcbd692aca6931c7f1d000 · sha256:847e84e5bd64a2f7… · /containers/adp/0/references/0

{"name":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-grjj-6f6g-cq8q","tags":["x_refsource_CONFIRM"],"url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-grjj-6f6g-cq8q"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:8849551c72c197f8b08bc51999be1fe0c29eb092b4fcbd692aca6931c7f1d000 · sha256:847e84e5bd64a2f7… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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