[Webkit-unassigned] [Bug 266354] New: Sever window opener on manual navigation

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=266354

            Bug ID: 266354
           Summary: Sever window opener on manual navigation
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Process Model
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: nham at apple.com

When a user does a cross-origin manual navigation (e.g. navigating via the address bar, opening a bookmark, ...), then we should sever the window.opener reference (by creating a new browsing context group?). This should be safe since other browsers like Chrome and Firefox are already doing this.

Related WHATWG discussions:

https://github.com/whatwg/html/issues/5767#issuecomment-763855860
https://github.com/whatwg/html/issues/6356
https://github.com/whatwg/html/issues/1440

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