Here’s something fun: use Firefox 3.6.9 to have a set of Javascript code in a child frame append HTML code to a text box in the parent frame, and content of the string is modified:
what was
<img src="foo.jpg" alt="bar" width="1" height="1" />
becomes
<img alt="bar" width="1" height="1" />
which is pretty pointless… (more…)