Chrome Universal XSS via the unload_event module (CVE-2015-6769)

VULNERABILITY DETAILS From /WebKit/Source/core/loader/DocumentLoader.cpp: PassRefPtrWillBeRawPtr DocumentLoader::createWriterForconst Document ownerDocument, const DocumentInit& init, ... LocalFrame frame = init.frame; ASSERT!frame-document || !frame-document-isActive; ASSERTframe-tree.childCount...