CVE-2023-40580

Name: CVE-2023-40580
Creator: NVD / NIST
Published: 2023-08-25T20:15:08.913+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.56%

Last modified Jun 17, 2026

CVE-2023-40580 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 0.56% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS Probability

0.56%

42.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Stellar	Freighter	< 5.3.1

References

https://github.com/stellar/freighter/commit/81f78ba008c41ce631a3d0f9e4449f4bbd90baeePatch
https://github.com/stellar/freighter/pull/948Patch
https://github.com/stellar/freighter/security/advisories/GHSA-vqr6-hwg2-775wPatch, Third Party Advisory
https://github.com/stellar/freighter/commit/81f78ba008c41ce631a3d0f9e4449f4bbd90baeePatch
https://github.com/stellar/freighter/pull/948Patch
https://github.com/stellar/freighter/security/advisories/GHSA-vqr6-hwg2-775wPatch, Third Party Advisory

Timeline

Published: Aug 25, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-40580?

How severe is CVE-2023-40580?

CVE-2023-40580 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.56% probability of exploitation in the next 30 days.

How do I fix CVE-2023-40580?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-40580?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST