Do not store sensitive data to local storage

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Metadata

ID: javascript-browser-security/local-storage-sensitive-data

Language: JavaScript

Severity: Warning

Category: Security

CWE: 312

Description

Do not store sensitive data in localStorage and keep the data safe from any malicious software that could read this data.

Learn More

CWE-312 - Cleartext Storage of Sensitive Information

Non-Compliant Code Examples

localStorage.setItem('user', email)

localStorage.setItem('user', user.email)

Compliant Code Examples

localStorage.setItem('user', uuid)

localStorage.setItem('user', user.id)

How to use this rule

1
2
rulesets:
  - javascript-browser-security     # Rules to enforce JavaScript browser security.

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