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In the JSONP usage pattern, the URL request pointed to by the src attribute in the <script> element returns JSON data, with JavaScript code (usually a function call) wrapped around it. This "wrapped payload" is then interpreted by the browser. In this way, a function that is already defined in the JavaScript environment can manipulate the JSON ...
Filtering out unexpected GET requests still prevents some particular attacks, such as cross-site attacks using malicious image URLs or link addresses and cross-site information leakage through <script> elements (JavaScript hijacking); it also prevents (non-security-related) problems with aggressive web crawlers and link prefetching. [1]
While JSONP can cause cross-site scripting (XSS) issues when the external site is compromised, CORS allows websites to manually parse responses to increase security. [1] The main advantage of JSONP was its ability to work on legacy browsers which predate CORS support (Opera Mini and Internet Explorer 9 and earlier). CORS is now supported by ...
-Hackers have compromised several different companies' Chrome browser extensions in a series of intrusions dating back to mid-December, according to one of the victims and experts who have ...
Since HTML <script> elements are allowed to retrieve and execute content from other domains, a page can bypass the same-origin policy and receive JSON data from a different domain by loading a resource that returns a JSONP payload. JSONP payloads consist of an internal JSON payload wrapped by a pre-defined function call.
Samy (also known as JS.Spacehero) is a cross-site scripting worm that was designed to propagate across the social networking site MySpace by Samy Kamkar.Within just 20 hours [1] of its October 4, 2005 release, over one million users had run the payload [2] making Samy the fastest-spreading virus of all time.
"On another site JavaScript cannot be used to execute a POST request because of SOP (Same-Origin Policy)." That statement is wrong. Javascript can be used to submit a form which POSTs to another site and it is trivial to do so. It can even be done without Javascript, by tricking the user into clicking on something.
As each episode of the Apple TV Original Series Hijack gets increasingly anxiety-inducing, the more popular the series becomes. Arguably the sleeper TV hit of the summer, the Idris Elba-led drama ...