{"cve":"CVE-2026-93922","nvd":{"published":"2026-09-19T00:16:57.783","modified":"2026-09-22T16:18:14.603","status":"Deferred","description":"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.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":8.6},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-79"],"references":["https://github.com/siyuan-note/siyuan","https://github.com/siyuan-note/siyuan/blob/v3.8.4/app/src/util/mount.ts#L72","https://github.com/siyuan-note/siyuan/blob/v3.8.4/kernel/model/file.go#L2446-L2454","https://github.com/siyuan-note/siyuan/security/advisories/GHSA-8c2m-33v9-vvqm","https://www.vulncheck.com/advisories/siyuan-through-3.8.4-stored-xss-via-notebook-names"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:55:23.253742848+00:00"},"epss":{"cve":"CVE-2026-93922","score":0.00816,"percentile":0.57113,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}