Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 29daa35f0a26eec9333a8bc1089974bc64a5858e
https://github.com/WebKit/WebKit/commit/29daa35f0a26eec9333a8bc1089974bc64a5858e
Author: Roberto Rodriguez <[email protected]>
Date: 2026-02-11 (Wed, 11 Feb 2026)
Changed paths:
M Source/WebCore/bindings/js/JSDOMWindowCustom.cpp
Log Message:
-----------
[Site Isolation] Fix cross-origin window enumeration missing child frame
indices
https://bugs.webkit.org/show_bug.cgi?id=307524
rdar://170123897
Reviewed by Sihui Liu.
Object.getOwnPropertyNames() on a cross-origin window should return the child
frame indices
(e.g., '0', '1', '2') . With site isolation enabled, the cross-origin
window is a RemoteDOMWindow, but addScopedChildrenIndexes() only handled
LocalDOMWindow,
causing it to return early without adding the indices.
Update addScopedChildrenIndexes() to use documentIfLocal() to distinguish
between
LocalDOMWindow and RemoteDOMWindow, using childCount() for the latter since
scoped child
enumeration isn't yet supported by RemoteFrame. This follows the same pattern
already used
in getOwnPropertySlotByIndex().
* Source/WebCore/bindings/js/JSDOMWindowCustom.cpp:
(WebCore::addScopedChildrenIndexes):
Canonical link: https://commits.webkit.org/307319@main
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