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Scan rule · RSC-SEC-020

Access token in localStorage

SecuritySeverity: MediumCWE-922

Observes at runtime whether a JWT-like value ends up in web storage — readable via XSS.

Scan tier

Browser runtime

How to fix it

Keep tokens in `HttpOnly` cookies instead of localStorage.

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More rules in this dimension

RSC-SEC-001

No end-to-end HTTPS

RSC-SEC-002

HSTS header missing

RSC-SEC-003

No Content-Security-Policy

RSC-SEC-004

MIME sniffing not disabled

RSC-SEC-005

No clickjacking protection

RSC-SEC-006

CORS wildcard on the public document