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CVE-2026-34448

SiYuan is a personal knowledge management system. Prior to version 3.6.2, an attacker who can place a malicious URL in an Attribute View mAsse field can trigger stored XSS when a victim opens the Gallery or Kanban view with “Cover From -> Asset Field” enabled. The vulnerable code accepts arbitrary http(s) URLs without extensions as images, stores the attacker-controlled string in coverURL, and injects it directly into an <img src="..."> attribute without escaping. In the Electron desktop client,
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ef312c0c36502b6ac74da0aababc3516efb5ce6c4b0cad0b0b5ba581e7c4f4b6
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-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:v2:0e23695b297ebd39cc894698db695b14cf8d98f6bcd97f7175dc89400ffd317a · sha256:380753922c61e58d… · /containers/cna/problemTypes/1/descriptions/0

{"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:v2:0e23695b297ebd39cc894698db695b14cf8d98f6bcd97f7175dc89400ffd317a · sha256:380753922c61e58d… · /containers/cna/problemTypes/0/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:v2:0e23695b297ebd39cc894698db695b14cf8d98f6bcd97f7175dc89400ffd317a · sha256:380753922c61e58d… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/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:v2:0e23695b297ebd39cc894698db695b14cf8d98f6bcd97f7175dc89400ffd317a · sha256:380753922c61e58d… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"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:v2:0e23695b297ebd39cc894698db695b14cf8d98f6bcd97f7175dc89400ffd317a · sha256:380753922c61e58d… · /containers/cna/problemTypes/1/descriptions/0
{"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:v2:0e23695b297ebd39cc894698db695b14cf8d98f6bcd97f7175dc89400ffd317a · sha256:380753922c61e58d… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 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:v2:0e23695b297ebd39cc894698db695b14cf8d98f6bcd97f7175dc89400ffd317a · sha256:380753922c61e58d… · /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:v2:0e23695b297ebd39cc894698db695b14cf8d98f6bcd97f7175dc89400ffd317a · sha256:380753922c61e58d… · /containers/cna/references/2
{"name":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-rx4h-526q-4458","tags":["x_refsource_CONFIRM"],"url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-rx4h-526q-4458"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0e23695b297ebd39cc894698db695b14cf8d98f6bcd97f7175dc89400ffd317a · sha256:380753922c61e58d… · /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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