TI-2023-21378 Aliases CVE-2023-40580

Freighter mnemonic phrase may be accessed by Javascript through a private API

LOW 37CWE-200Published 2023-08-25 · Updated 2024-08-02

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Information disclosure
Confidentiality · integrity · availability: High · High · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-200.

Summary

Freighter is a Stellar chrome extension. It may be possible for a malicious website to access the recovery mnemonic phrase when the Freighter wallet is unlocked. This vulnerability impacts access control to the mnemonic recovery phrase. This issue was patched in version 5.3.1.

Why it matters now

EPSS 0.00819 57th percentileScored 2026-11-07

Fix Fixed freighter (stellar): 5.3.1

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
stellar	freighter	before 5.3.1	5.3.1	Patch available	CNA

freighter Vendorstellar Affected before 5.3.1 Fixed in 5.3.1 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:stellar:freighter::::::::	before 5.3.1	Vulnerable	stellar

cpe:2.3:a:stellar:freighter:*:*:*:*:*:*:*:* Versions before 5.3.1 Vulnerable ·stellar

Remediation

Fix · CNA freighter (stellar) Fixed in 5.3.1

Timeline

2026-10-02 Threatist record created from CVE-2023-40580

References

Patch 3

Sources

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