12/23/2023 0 Comments Iframe no border![]() Also note that programmatically removing an 's src attribute (e.g. Use a value of about:blank to embed an empty page that conforms to the same-origin policy. The sandbox attribute is unsupported in Internet Explorer 9 and earlier. ![]() Such content should be also served from a separate origin to limit potential damage. Sandboxing is useless if the attacker can display content outside a sandboxed iframe - such as if the viewer opens the frame in a new tab.When the embedded document has the same origin as the embedding page, it is strongly discouraged to use both allow-scripts and allow-same-origin, as that lets the embedded document remove the sandbox attribute - making it no more secure than not using the sandbox attribute at all.allow-top-navigation-by-user-activation: Lets the resource navigate the top-level browsing context, but only if initiated by a user gesture.allow-top-navigation: Lets the resource navigate the top-level browsing context (the one named _top).allow-storage-access-by-user-activation Experimental: Lets the resource request access to the parent's storage capabilities with the Storage Access API.allow-scripts: Lets the resource run scripts (but not create popup windows).allow-same-origin: If this token is not used, the resource is treated as being from a special origin that always fails the same-origin policy (potentially preventing access to data storage/cookies and some JavaScript APIs). ![]()
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