[Webkit-unassigned] [Bug 187545] New: JavaScript mouseover events triggered when app is in background
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Tue Jul 10 19:24:24 PDT 2018
https://bugs.webkit.org/show_bug.cgi?id=187545
Bug ID: 187545
Summary: JavaScript mouseover events triggered when app is in
background
Product: WebKit
Version: WebKit Local Build
Hardware: Macintosh
OS: macOS 10.13
Status: NEW
Severity: Normal
Priority: P2
Component: New Bugs
Assignee: webkit-unassigned at lists.webkit.org
Reporter: opendarwin at lapcatsoftware.com
Steps to reproduce:
1. Open Safari on macOS
2. Open https://github.com/WebKit/webkit
3. Hover mouse over table rows, notice that background color changes
4. Open TextEdit, making it the active app, leaving Safari window in the background
5. Move mouse out of TextEdit window and over Safari window
Expected results: Table row background color does not change on hover
Actual results: Table row background color does change on hover
Notes:
* These are JavaScript mouseover events. Disable JavaScript to see that the background color stops changing entirely.
* This behavior does not occur in Firefox or Google Chrome.
* When Safari is in the background, web sites should not be able to capture mouse events. This basically allows sites to spy on user activity. You may be moving your mouse across the screen for any reason and just accidentally cross the Safari window.
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