Google Map Cross Site Scripting Error
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Join them; it only takes a minute: Sign up Can't view embedded Google Maps because “Internet Explorer has modified this page to help prevent cross-site access-control-allow-origin: * scripting” up vote 4 down vote favorite 1 The offending page is http://beta.westlake.school.nz/school-details if viewed using IE8 google-maps internet-explorer-8 xss share|improve this question asked May 21 '10 at 10:20 gbhall 2,29462126 Could be a IFrame problem? –Ralf de Kleine May 21 '10 at 10:23 But this is from Google Maps, I see no reason why IE8 is blocking it. –gbhall May 21 '10 at 10:35 could you fix this? –onder Jun 1 '11 at 15:08 add a comment| 1 Answer 1 active oldest votes up vote 3 down vote accepted In my case, this seemed to be caused by a couple of single quotes in the hnear argument in the Google URL. Removing the quotes in both the iframe src and the a href attributes fixed the problem. For example, became An Error Has Occurred In The Script On This Page unhelpful "Script Error" appearing in your dashboard. You may have also seen this appear script error windows 10 in the browser console while developing, and noticed that Script Errors are thrown when errors from scripts loaded from a different domain than the origin are caught by the global window.onerror handler. Browsers may behave in this way as a security feature to protect against potentially malicious scripts injected or hosted by other sites from reading user data such as http://stackoverflow.com/questions/2881222/cant-view-embedded-google-maps-because-internet-explorer-has-modified-this-pag cookies (quite rightly, I'm sure you'll agree). This is termed the Same-Origin Policy, and means that scripts only have full access rights if they are loaded from the same origin domain as the original document (when the script passes the CORS validation). The Same-Origin Policy CORS and the Same-Origin Policy do however present a problem with regards to the architecture of modern web sites and applications. Due to the nature of HTTP 1.1, frequently key https://raygun.com/blog/2015/05/fixing-script-errors/ resources including JavaScripts are hosted on non-origin (also called ‘third-party') domains - in particular CDNs, as using the massive resources of public clouds keeps both costs and response times low. The main problem is that if your web application code is defined and loaded in a script hosted on a different domain to the one in the address bar, errors that hit window.onerror won't have any stack trace or message context for you to debug. This is not a problem when developing locally, but becomes a critical issue when trying to figure out why a site is breaking on a user's machine. This is most obvious when Raygun4JS reports these errors, and the error groups lack any indication as to what happened. The spec and implementation for controlling the Same-Origin Policy is documented nicely here. In particular the Browser Compatibility matrix is a valuable read; you'll notice proper implementations are only available in recent versions of the evergreen browsers, come with caveats in the bug tickets, or are plain not supported. There are two key pieces of metadata needed to allow a cross-domain script to report errors correctly in a modern browser. As the documentation lists above, the first is the presence of the ‘crossorigin' attribute on the appropriate script tag. By example: 1 The sec be down. Please try the request again. Your cache administrator is webmaster. 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