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CVE-2026-65606

SiYuan before v3.7.2 contains a cross-site scripting vulnerability in the siyuan:// protocol handler. When a siyuan://plugins/<name> link references a name that is not an installed plugin, the application opens a custom tab and inserts the link's icon parameter into the tab header via innerHTML without escaping it (app/src/layout/Tab.ts), allowing injection of an <img onerror=...> element. Because the SiYuan Desktop renderer runs with nodeIntegration:true, the injected JavaScript can access Node
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c4bbd02e294aab5e62c992783e75910a9e46150590b9f74bb8531cc9a4c2dbea
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.4,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b03e6fd85c9df16b8014b437fb0b55d0e660a54370ced43b6c270660f3385a05 · sha256:b8bcf58c1c7b6ad1… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.6,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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:b03e6fd85c9df16b8014b437fb0b55d0e660a54370ced43b6c270660f3385a05 · sha256:b8bcf58c1c7b6ad1… · /containers/cna/metrics/1/cvssV3_1

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","packageURL":"pkg:npm/github.com/siyuan-note/siyuan","product":"siyuan","vendor":"siyuan-note","versions":[{"lessThan":"3.7.2","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"3.7.2","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b03e6fd85c9df16b8014b437fb0b55d0e660a54370ced43b6c270660f3385a05 · sha256:b8bcf58c1c7b6ad1… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.4,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b03e6fd85c9df16b8014b437fb0b55d0e660a54370ced43b6c270660f3385a05 · sha256:b8bcf58c1c7b6ad1… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.6,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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:b03e6fd85c9df16b8014b437fb0b55d0e660a54370ced43b6c270660f3385a05 · sha256:b8bcf58c1c7b6ad1… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-79","description":"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:b03e6fd85c9df16b8014b437fb0b55d0e660a54370ced43b6c270660f3385a05 · sha256:b8bcf58c1c7b6ad1… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"name":"Patch Commit","tags":["patch"],"url":"https://github.com/siyuan-note/siyuan/commit/41f2861c87575ff5ac4b50a0520b1a4fe55b4a70"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b03e6fd85c9df16b8014b437fb0b55d0e660a54370ced43b6c270660f3385a05 · sha256:b8bcf58c1c7b6ad1… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-wp64-x7qh-h728"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b03e6fd85c9df16b8014b437fb0b55d0e660a54370ced43b6c270660f3385a05 · sha256:b8bcf58c1c7b6ad1… · /containers/adp/0/references/0
{"name":"GitHub Security Advisory (GHSA-wp64-x7qh-h728)","tags":["vendor-advisory"],"url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-wp64-x7qh-h728"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b03e6fd85c9df16b8014b437fb0b55d0e660a54370ced43b6c270660f3385a05 · sha256:b8bcf58c1c7b6ad1… · /containers/cna/references/0
{"name":"VulnCheck Advisory: SiYuan before v3.7.2 Cross-Site Scripting to RCE","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/siyuan-before-cross-site-scripting-to-rce"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b03e6fd85c9df16b8014b437fb0b55d0e660a54370ced43b6c270660f3385a05 · sha256:b8bcf58c1c7b6ad1… · /containers/cna/references/2

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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