CVE-2026-91021 — CVE-2026-91021
Trilium Notes, version v0.103.0 and earlier, contains a stored cross-site scripting (XSS) vulnerability in the share renderer for webView notes due to improper HTML escaping of …
Published: 2026-09-14 · CVSS: 5.4 · CVSS 3.1
Trilium Notes, version v0.103.0 and earlier, contains a stored cross-site scripting (XSS) vulnerability in the share renderer for webView notes due to improper HTML escaping of user-controlled #webViewSrc values. This vulnerability allows attackers with note-authoring privileges to inject arbitrary JavaScript that executes for any user who opens the shared note, including administrators.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7