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CVE-2026-34585

SiYuan is a personal knowledge management system. Prior to version 3.6.2, a vulnerability allows crafted block attribute values to bypass server-side attribute escaping when an HTML entity is mixed with raw special characters. An attacker can embed a malicious IAL value inside a .sy document, package it as a .sy.zip, and have the victim import it through the normal Import -> SiYuan .sy.zip workflow. Once the note is opened, the malicious attribute breaks out of its original HTML context and inje
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2cbba684fda79919f93122dab35e3b3fe76027d5dc81ad7f93626b2c9d004833
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

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:v2:7d8a04ae9be779f3ff1e0a310ac9c59805da4d08a2f78c38a78f9e999642c5ca · sha256:9a272efc30f6abeb… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-94","description":"CWE-94: Improper Control of Generation of Code ('Code Injection')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7d8a04ae9be779f3ff1e0a310ac9c59805da4d08a2f78c38a78f9e999642c5ca · sha256:9a272efc30f6abeb… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"siyuan","vendor":"siyuan-note","versions":[{"status":"affected","version":"< 3.6.2"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7d8a04ae9be779f3ff1e0a310ac9c59805da4d08a2f78c38a78f9e999642c5ca · sha256:9a272efc30f6abeb… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":8.6,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/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:v2:7d8a04ae9be779f3ff1e0a310ac9c59805da4d08a2f78c38a78f9e999642c5ca · sha256:9a272efc30f6abeb… · /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:v2:7d8a04ae9be779f3ff1e0a310ac9c59805da4d08a2f78c38a78f9e999642c5ca · sha256:9a272efc30f6abeb… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-94","description":"CWE-94: Improper Control of Generation of Code ('Code Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7d8a04ae9be779f3ff1e0a310ac9c59805da4d08a2f78c38a78f9e999642c5ca · sha256:9a272efc30f6abeb… · /containers/cna/problemTypes/1/descriptions/0

Source references

4 source assertions
{"name":"https://github.com/siyuan-note/siyuan/issues/17246","tags":["x_refsource_MISC"],"url":"https://github.com/siyuan-note/siyuan/issues/17246"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7d8a04ae9be779f3ff1e0a310ac9c59805da4d08a2f78c38a78f9e999642c5ca · sha256:9a272efc30f6abeb… · /containers/cna/references/1
{"name":"https://github.com/siyuan-note/siyuan/releases/tag/v3.6.2","tags":["x_refsource_MISC"],"url":"https://github.com/siyuan-note/siyuan/releases/tag/v3.6.2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7d8a04ae9be779f3ff1e0a310ac9c59805da4d08a2f78c38a78f9e999642c5ca · sha256:9a272efc30f6abeb… · /containers/cna/references/2
{"name":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-ff66-236v-p4fg","tags":["x_refsource_CONFIRM"],"url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-ff66-236v-p4fg"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7d8a04ae9be779f3ff1e0a310ac9c59805da4d08a2f78c38a78f9e999642c5ca · sha256:9a272efc30f6abeb… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-ff66-236v-p4fg"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7d8a04ae9be779f3ff1e0a310ac9c59805da4d08a2f78c38a78f9e999642c5ca · sha256:9a272efc30f6abeb… · /containers/adp/0/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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