Bug at display with js injection + crash in .NET

[Tyrben]

First bug :
The MarkdownPanel displays a black warning : Cette page indique xxxxxxx

Second bug :
The .NET engine crashes.

Third bug :
Notepad++ crashes.

Reproduce :

• create a .md file with this content
  --><script>alert('attack_par_map_conf')</script>
  MarkdownPanel displays the black message.
• swap in and out this document
  .NET should display a crash popup message.
• swap more
  Notepad should crash.

EDIT :
Before swapping of document to trigger the crash. Open a second one. It seems to crash better.