CVE-2026-45733

{"id": "CVE-2026-45733", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-45733", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-08-18T15:32:57.681431Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.3, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 1.7}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "TriliumNext", "product": "Trilium", "versions": [{"status": "affected", "version": "< 0.103.0"}]}]}], "published": "2026-08-18T15:16:54.270", "references": [{"url": "https://github.com/TriliumNext/Trilium/commit/c06939448bcc2879fc3c4d328ff7dc63ed6b5009", "source": "security-advisories@github.com"}, {"url": "https://github.com/TriliumNext/Trilium/releases/tag/v0.103.0", "source": "security-advisories@github.com"}, {"url": "https://github.com/TriliumNext/Trilium/security/advisories/GHSA-h45q-4qc4-8hhg", "source": "security-advisories@github.com"}, {"url": "https://github.com/TriliumNext/Trilium/security/advisories/GHSA-h45q-4qc4-8hhg", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Received", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-79"}, {"lang": "en", "value": "CWE-83"}, {"lang": "en", "value": "CWE-693"}]}], "descriptions": [{"lang": "en", "value": "Trilium Notes is a cross-platform, hierarchical note taking application focused on building large personal knowledge bases. Prior to 0.103.0, the #iconClass label value is returned raw by getNoteIcon() and inserted without HTML attribute encoding into class attributes in apps/client/src/widgets/quick_search.ts and apps/client/src/services/note_autocomplete.ts, allowing a stored payload to execute automatically when a victim opens a new tab or uses Ctrl+J and, because Electron enables nodeIntegration and disables contextIsolation, run operating-system commands as the victim. This issue is fixed in version 0.103.0."}], "lastModified": "2026-08-18T16:17:08.867", "sourceIdentifier": "security-advisories@github.com"}