FIX with-apollo-auth example token access #4771
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timneutkens
reviewed
Jul 12, 2018
| ...appProps, | ||
| apolloState | ||
| apolloState, | ||
| token |
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This is potentially dangerous as passing down the cookie means you're taking input from the user and returning it to them, which, if Next.js didn't htmlescape the getInitialProps result, would lead to an XSS vulnerability.
To be clear Next.js does htmlescape the getInitialProps result.
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But, do cookies have a similar behavior maybe in a lower level? Cookies travel in the headers to the both ways. Does this represent an XSS vulnerability too?
timneutkens
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Sep 12, 2018
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in some cases access to the token doesn't work in client side. this access to the token once in getInitialProps method and pass it down using props