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If a redirect target is not sufficiently validated by a web application, an attacker can make a web application redirect to an arbitrary website. This vulnerability is known as an open-redirect vulnerability. [26] [27] In certain cases when an open redirect occurs as part of an authentication flow, the vulnerability is known as a covert redirect.
307 Temporary Redirect: Like 302, but guarantees that the method and the body will not be changed when the redirected request is made. 303 See Other : Used when the result of a POST or another non-idempotent request method is a resource that should be retrieved using a GET.
Facebook's data policy outlines its policies for collecting, storing, and sharing user's data. [121] Facebook enables users to control access to individual posts and their profile [122] through privacy settings. [123] The user's name and profile picture (if applicable) are public.
A user who is authenticated by a cookie saved in the user's web browser could unknowingly send an HTTP request to a site that trusts the user and thereby cause an unwanted action. A general property of web browsers is that they will automatically and invisibly include any cookies (including session cookies and others) used by a given domain in ...
CNBC reported that the outage was the worst experienced by Facebook since 2008. [21] During the day of the outage, shares in the company dropped by nearly 5% and Facebook CEO Mark Zuckerberg's wealth fell by more than $6 billion. [21] [22] [23] According to a report produced by Fortune and Snopes, Facebook lost at least $60 million in ...
Code injection is the malicious injection or introduction of code into an application. Some web servers have a guestbook script, which accepts small messages from users and typically receives messages such as: Very nice site! However, a malicious person may know of a code injection vulnerability in the guestbook and enter a message such as:
If your contacts are getting emails you didn't send, your sent folder is full of messages you didn't send, or you're missing folders, it could be a sign that your account has been compromised or hacked. If you notice these signs, you may also end up having problems with sending or composing mail.
Other uses of URL shortening are to "beautify" a link, track clicks, or disguise the underlying address. This is because the URL shortener can redirect to just about any web domain, even malicious ones. So, although disguising of the underlying address may be desired for legitimate business or personal reasons, it is open to abuse. [2]