Is it safe to store access token in local storage?

Local storage is vulnerable because it’s easily accessible using JavaScript and an attacker can retrieve your access token and use it later. However, while httpOnly cookies are not accessible using JavaScript, this doesn’t mean that by using cookies, you are safe from XSS attacks involving your access token.

Is browser local storage safe?

Local storage is inherently no more secure than using cookies. When that’s understood, the object can be used to store data that’s insignificant from a security standpoint.

How do you store access tokens safely?

Don’t Store Tokens in Local Storage; Use Secure Cookies Browser local storage and session storage can be readfrom JavaScript, and as such are not secure to store sensitive information such as tokens. Instead, use secure cookies, the httpOnly flag, and CSRF measures to prevent tokens from being stolen.

Where are JWT refresh tokens stored?

Store your access token in memory, and store the refresh token in the cookie: Link to this section

1. Use the httpOnly flag to prevent JavaScript from reading it.
2. Use the secure=true flag so it can only be sent over HTTPS.
3. Use the SameSite=strict flag whenever possible to prevent CSRF.

Should I store refresh tokens?

If you worry about long-living Refresh Token. You can skip storing it and not use it at all. Just keep Access Token in memory and do silent sign-in when Access Token expires.

Is it safe to store JWT token in localStorage?

If you store it inside localStorage, it’s accessible by any script inside your page. This is as bad as it sounds; an XSS attack could give an external attacker access to the token. To reiterate, whatever you do, don’t store a JWT in local storage (or session storage).

Is it safe to store JWT token in LocalStorage?

Can local storage be hacked?

Local storage is bound to the domain, so in regular case the user cannot change it on any other domain or on localhost. It is also bound per user/browser, i.e. no third party has access to ones local storage. Nevertheless local storage is in the end a file on the user’s file system and may be hacked.

Is it safe to store access token in cookie?

Is the access_token stored in cookie encrypted or not (it definitely should be) Access_token is a bearer token so it is not tied to browser flows. Cookies in general are meant for maintaining state in browsers. So if lifecycle of token is same as cookie, go ahead otherwise not.

Is it safe to store refresh token in database?

Store refresh tokens in a secure location, such as a password-protected file system or an encrypted database. Limit access to users who need the tokens to make API calls. If you believe that a refresh token has been accessed by an unauthorized user, delete it and create a new one.

Is it safe to store token in cookie?

With cookies, the access token is still hidden, attackers could only carry out “onsite” attacks. The malicious scripts injected into the web app could be limited, or it might not be very easy to change/inject more scripts. Users or web apps might need to be targeted first by attackers.

Is JWT token secure?

The contents in a json web token (JWT) are not inherently secure, but there is a built-in feature for verifying token authenticity. A JWT is three hashes separated by periods. The third is the signature.