diff --git a/editor/composer/src/crashtests/419563-1.xhtml b/editor/composer/src/crashtests/419563-1.xhtml
new file mode 100644
index 00000000000..417530c13a0
--- /dev/null
+++ b/editor/composer/src/crashtests/419563-1.xhtml
@@ -0,0 +1,20 @@
+<html xmlns="http://www.w3.org/1999/xhtml" class="reftest-wait">
+<head>
+<script type="text/javascript">
+
+function boom()
+{
+  document.documentElement.appendChild(document.body);
+  document.getElementById("s").contentEditable = "true";
+  document.getElementById("v").focus();
+  document.body.focus();
+  document.execCommand("delete", false, null);
+  document.documentElement.removeAttribute("class");
+}
+
+</script>
+</head>
+
+<span id="s">thesewords arenot realwords</span><body contenteditable="true" onload="setTimeout(boom, 0);"><span contenteditable="false"><div id="v" contenteditable="true"></div>Five</span></body>
+
+</html>
diff --git a/editor/composer/src/crashtests/crashtests.list b/editor/composer/src/crashtests/crashtests.list
index 4c7c10787f1..487d96b45a5 100644
--- a/editor/composer/src/crashtests/crashtests.list
+++ b/editor/composer/src/crashtests/crashtests.list
@@ -1,5 +1,6 @@
 load 351236-1.html
 load 407062-1.html
+load 419563-1.xhtml
 skip-if(winWidget) load 428844-1.html # bug 471185
 load 461049-1.html
 asserts(0-1) asserts-if(winWidget,0-2) load removing-editable-xslt.html # bug 500847
