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GHSA-27v7-qhfv-rqq8

Insecure Credential Storage in web3

3.3 Low

GHSA-27v7-qhfv-rqq8 is a low vulnerability (CVSS 3.3) in web3, published May 30, 2019. No source lists public exploit code. No source names a fixed version.

What does this mean?
Severity
3.3 LowCVSS 3.1, GitHub Advisories
Exploit chance
UnscoredNo EPSS score yet
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

All versions of web3 are vulnerable to Insecure Credential Storage. The package stores encrypted wallets in local storage and requires a password to load the wallet. Once the wallet is loaded, the private key is accessible via LocalStorage. Exploiting this vulnerability likely requires a Cross-Site Scripting vulnerability to access the private key.

Recommendation

No fix is currently available. Consider using an alternative module until a fix is made available.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
None

Affected packages

Affected packages
PackageAffectedFixed
web3
npm
through 1.5.2None known

What each source reports

GitHub Advisories Score used3.3

Insecure Credential Storage in web3

All versions of web3 are vulnerable to Insecure Credential Storage. The package stores encrypted wallets in local storage and requires a password to load the wallet. Once the wallet is loaded, the private key is accessible via LocalStorage. Exploiting this vulnerability likely requires a Cross-Site Scripting vulnerability to access the private key.

Recommendation

No fix is currently available. Consider using an alternative module until a fix is made available.

Record
GHSA-27v7-qhfv-rqq8
CVSS 3.1
3.3 LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSV3.3

Insecure Credential Storage in web3

All versions of web3 are vulnerable to Insecure Credential Storage. The package stores encrypted wallets in local storage and requires a password to load the wallet. Once the wallet is loaded, the private key is accessible via LocalStorage. Exploiting this vulnerability likely requires a Cross-Site Scripting vulnerability to access the private key.

Recommendation

No fix is currently available. Consider using an alternative module until a fix is made available.

Record
GHSA-27v7-qhfv-rqq8
CVSS 3.1
3.3 LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02

History

History
RecordedChangedSources
first indexedGitHub Advisories, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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