Missing HttpOnly Flag From Cookie
|5||(AV:N/AC:L/Au:N/C:P/I:N/A:N)||May 31, 2011||August 17, 2011||November 05, 2013|
HttpOnly is an additional flag included in a Set-Cookie HTTP response header. If supported by the browser, using the HttpOnly flag when generating a cookie helps mitigate the risk of client side script accessing the protected cookie. If a browser that supports HttpOnly detects a cookie containing the HttpOnly flag, and client side script code attempts to read the cookie, the browser returns an empty string as the result. This causes the attack to fail by preventing the malicious (usually XSS) code from sending the data to an attacker's website.
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