{"apiVersion":"1.0","identifier":"CVE-2026-45733","description":"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.","publishedAt":"2026-08-18T15:16:54","lastModifiedAt":"2026-08-18T16:17:08","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-45733","cvssScore":8.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L","epssProbability":0.00304,"riskScore":0.85,"affectedProduct":"Trilium Notes","affectedVersions":"<0.103.0","vulnerabilityType":"Web app","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-45733","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-45733","en":"https://www.redsauce.net/en/cves/CVE-2026-45733","fr":"https://www.redsauce.net/fr/cves/CVE-2026-45733","pt":"https://www.redsauce.net/pt/cves/CVE-2026-45733","de":"https://www.redsauce.net/de/cves/CVE-2026-45733","sk":"https://www.redsauce.net/sk/cves/CVE-2026-45733","el":"https://www.redsauce.net/el/cves/CVE-2026-45733"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-45733"}}