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-rw-r--r--Source/WebCore/html/HTMLPlugInImageElement.cpp8
1 files changed, 7 insertions, 1 deletions
diff --git a/Source/WebCore/html/HTMLPlugInImageElement.cpp b/Source/WebCore/html/HTMLPlugInImageElement.cpp
index f3a99dd..0cc5c58 100644
--- a/Source/WebCore/html/HTMLPlugInImageElement.cpp
+++ b/Source/WebCore/html/HTMLPlugInImageElement.cpp
@@ -30,6 +30,7 @@
#include "Page.h"
#include "RenderEmbeddedObject.h"
#include "RenderImage.h"
+#include "SecurityOrigin.h"
namespace WebCore {
@@ -75,9 +76,14 @@ bool HTMLPlugInImageElement::allowedToLoadFrameURL(const String& url)
if (document()->frame()->page()->frameCount() >= Page::maxNumberOfFrames)
return false;
+ KURL completeURL = document()->completeURL(url);
+
+ if (contentFrame() && protocolIsJavaScript(completeURL)
+ && !document()->securityOrigin()->canAccess(contentDocument()->securityOrigin()))
+ return false;
+
// We allow one level of self-reference because some sites depend on that.
// But we don't allow more than one.
- KURL completeURL = document()->completeURL(url);
bool foundSelfReference = false;
for (Frame* frame = document()->frame(); frame; frame = frame->tree()->parent()) {
if (equalIgnoringFragmentIdentifier(frame->document()->url(), completeURL)) {