[Webkit-unassigned] [Bug 280995] New: AX: VoiceOver focus moves outside modal dialog when the page contains image elements with an SVG source

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=280995

            Bug ID: 280995
           Summary: AX: VoiceOver focus moves outside modal dialog when
                    the page contains image elements with an SVG source
           Product: WebKit
           Version: Safari 17
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Accessibility
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: marc.solomon at cvshealth.com
                CC: andresg_22 at apple.com,
                    webkit-bug-importer at group.apple.com

Created attachment 472844

  --> https://bugs.webkit.org/attachment.cgi?id=472844&action=review

Screen cast of iOS VoiceOver focus moving to inert images outside modal dialog

Steps to duplicate:

1. Open CodePen demo in browser: https://codepen.io/marcsolo/pen/QWeKyVP (Using Full Page Mode is recommended)
2. Turn on VoiceOver
3. Navigate to Dialog A button
4. Activate button to open modal dialog
5. Navigate to previous element (iOS: swipe left gesture, macOS: VO + Left Arrow) repeatedly until you VoiceOver reports the top boundary of the page

Expected results: VoiceOver focus only moves to content in modal dialog and to browser user interface

Actual results: VoiceOver focus moves to inert image elements with SVG source on the page behind the modal dialog

Notes: Can reproduce with iOS 18 + Safari/Chrome and macOS 14.6.1 + Safari only

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