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Cookie No HttpOnly Flag

  • Risk:
  • Low

  • Type:
  • Passive
Summary

A cookie has been set without the HttpOnly flag, which means that the cookie can be accessed by JavaScript. If a malicious script can be run on this page then the cookie will be accessible and can be transmitted to another site. If this is a session cookie then session hijacking may be possible.

Solution

Ensure that the HttpOnly flag is set for all cookies.

References

https://owasp.org/www-community/HttpOnly

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