TI-2021-18208 Aliases CVE-2021-41392 GHSA-8h86-6q3w-5h6p

static/main-preload.js in Boost Note through 0.22.0 allows remote command execution.

MEDIUM 47CWE-74Published 2021-09-17 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

static/main-preload.js in Boost Note through 0.22.0 allows remote command execution. A remote attacker may send a crafted IPC message to the exposed vulnerable ipcRenderer IPC interface, which invokes the dangerous openExternal Electron API.

Why it matters now

EPSS 0.02764 86th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:boostnote:boostnote::::::::	up to 0.22.0	Vulnerable	Boostnote

cpe:2.3:a:boostnote:boostnote:*:*:*:*:*:*:*:* Versions up to 0.22.0 Vulnerable ·Boostnote

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-41392
2026-10-03 Alias added: GHSA-8h86-6q3w-5h6p

References

Exploit 1

https://github.com/BoostIO/BoostNote-App/issues/856

TI-2018-09659 Boostnote v0.11.7 allows XSS during highlighting of Markdown text, as demonstrated by an… CVSS 3.0MEDIUM 6.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences