[Webkit-unassigned] [Bug 278370] New: AX: iframe within inert element navigable, operable using VoiceOver

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=278370

            Bug ID: 278370
           Summary: AX: iframe within inert element navigable, operable
                    using VoiceOver
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Accessibility
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: webkit.org at m.cognize.org
                CC: andresg_22 at apple.com,
                    webkit-bug-importer at group.apple.com

Created attachment 472242

  --> https://bugs.webkit.org/attachment.cgi?id=472242&action=review

Demo iframe within div with inert

When an iframe has an element with the `inert` attribute as an ancestor, VoiceOver is able to access the iframe and its contents as if the `inert` attribute was not present.

Using macOS VoiceOver, Read All will read the iframe and its contents, arrow navigation can navigate to and within the iframe, elements within the iframe appear in the Web Rotor.

Using iOS VoiceOver, swipe navigation accesses the elements as do Web Rotor swipes; explore by touch does not reliably move the virtual cursor to elements within the iframe.

Tested with Safari 17.6 and Safari Technology Preview Release 201 on macOS Sonoma 14.6.1.
Tested with Safari on iOS 17.6.1.

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