CVE-2026-32751

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{"affected": [{"affectedData": [{"product": "siyuan", "vendor": "siyuan-note", "versions": [{"status": "affected", "version": "< 3.6.1"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:b3log:siyuan:*:*:*:*:*:*:*:*", "matchCriteriaId": "E1AA6470-222A-4841-A487-DF65F9859780", "versionEndExcluding": "3.6.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "SiYuan is a personal knowledge management system. In versions 3.6.0 and below, the mobile file tree (MobileFiles.ts) renders notebook names via innerHTML without HTML escaping when processing renamenotebook WebSocket events. The desktop version (Files.ts) properly uses escapeHtml() for the same operation. An authenticated user who can rename notebooks can inject arbitrary HTML/JavaScript that executes on any mobile client viewing the file tree. Since Electron is configured with nodeIntegration: true and contextIsolation: false, the injected JavaScript has full Node.js access, escalating stored XSS to full remote code execution. The mobile layout is also used in the Electron desktop app when the window is narrow, making this exploitable on desktop as well. This issue has been fixed in version 3.6.1."}, {"lang": "es", "value": "SiYuan es un sistema de gesti\u00f3n de conocimiento personal. En las versiones 3.6.0 e inferiores, el \u00e1rbol de archivos m\u00f3vil (MobileFiles.ts) renderiza los nombres de los cuadernos a trav\u00e9s de innerHTML sin escape HTML al procesar eventos WebSocket de renamenotebook. La versi\u00f3n de escritorio (Files.ts) utiliza correctamente escapeHtml() para la misma operaci\u00f3n. Un usuario autenticado que puede renombrar cuadernos puede inyectar HTML/JavaScript arbitrario que se ejecuta en cualquier cliente m\u00f3vil que visualice el \u00e1rbol de archivos. Dado que Electron est\u00e1 configurado con nodeIntegration: true y contextIsolation: false, el JavaScript inyectado tiene acceso completo a Node.js, escalando el XSS almacenado a ejecuci\u00f3n remota de c\u00f3digo completa. El dise\u00f1o m\u00f3vil tambi\u00e9n se utiliza en la aplicaci\u00f3n de escritorio de Electron cuando la ventana es estrecha, lo que hace que esto sea explotable tambi\u00e9n en el escritorio. Este problema ha sido solucionado en la versi\u00f3n 3.6.1."}], "id": "CVE-2026-32751", "lastModified": "2026-06-17T10:36:19.370", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.0, "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"}, "exploitabilityScore": 2.3, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.1, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-32751", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-03-24T01:41:41.421383Z", "version": "2.0.3"}}]}, "published": "2026-03-19T22:16:41.490", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/siyuan-note/siyuan/commit/f6d35103f774b65e52f03e018649ff0e57924fb0"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/siyuan-note/siyuan/releases/tag/v3.6.1"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "url": "https://github.com/siyuan-note/siyuan/security/advisories/GHSA-qr46-rcv3-4hq3"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,3.6.1)"}}], "enrichment": {"confidence": 84.0, "confidence_source": "matching", "scores": [{"score": 84.0, "source": "matching"}]}, "original": {"product": "siyuan", "source": "cna", "vendor": "siyuan-note"}, "product": "siyuan", "vendor": "siyuan"}], "analysis": {"en": {"generated_at": "2026-03-23T19:52:30.110810+00:00", "value": {"mitigation_remediation": ["Update SiYuan to version 3.6.1 or later to patch the remote code execution vulnerability."], "summary": {"action": "Apply Patch", "impact": "Remote Code Execution via Stored XSS"}, "threat_synthesis": {"affected_systems": "The vulnerability affects the SiYuan personal knowledge management system released by siyuan\u2011note:siyuan. All versions up to and including 3.6.0 are susceptible; the issue was fixed in release 3.6.1. The same mobile interface code is also used by the Electron desktop app when the window is narrow, so desktop users in that view are also affected.", "description_and_impact": "A stored cross\u2011site scripting flaw in the SiYuan mobile file tree allows an authenticated user to rename a notebook with malicious HTML or JavaScript. The application renders this name using innerHTML without escaping, causing the injected code to run on any mobile client that displays the file tree. Because the Electron environment is configured with nodeIntegration enabled and contextIsolation disabled, the script gains full Node.js access, transforming the stored XSS into full remote code execution that can compromise the entire system.", "risk_and_exploitability": "The CVSS score of 5.1 indicates moderate severity, and the EPSS score is less than 1\u202f%, suggesting a low overall exploitation probability. The vulnerability is not listed in the CISA KEV catalog. Exploitation requires an attacker to be authenticated and able to rename notebooks, and the target client must render the vulnerable file tree. When these conditions are met, the attacker can execute arbitrary code with Node.js privileges, posing a significant risk to all accounts with rename rights."}}}}, "created": "2026-03-20T08:55:51.651892+00:00", "updated": "2026-03-25T11:54:46.391530+00:00", "vendors": ["siyuan", "siyuan$PRODUCT$siyuan"]}