{"id":"CVE-2026-93922","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-93922","summary":"SiYuan through 3.8.4 renders notebook names as raw HTML in the Daily Note picker dialog without escaping, allowing stored cross-site scripting in the Electron renderer. Attackers can…","details":"SiYuan through 3.8.4 renders notebook names as raw HTML in the Daily Note picker dialog without escaping, allowing stored cross-site scripting in the Electron renderer. Attackers can create notebooks with HTML payloads in names that execute JavaScript with Node.js access when the picker opens, enabling operating system command execution.","published":"2026-09-19T00:16:57.783","modified":"2026-09-19T00:16:57.913","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/siyuan-note/siyuan"},{"type":"WEB","url":"https://github.com/siyuan-note/siyuan/blob/v3.8.4/app/src/util/mount.ts#L72"},{"type":"WEB","url":"https://github.com/siyuan-note/siyuan/blob/v3.8.4/kernel/model/file.go#L2446-L2454"},{"type":"WEB","url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-8c2m-33v9-vvqm"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/siyuan-through-3.8.4-stored-xss-via-notebook-names"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-19T00:16:57.913"}}