More robust escaping in the plugin/theme upgrader.



git-svn-id: http://core.svn.wordpress.org/trunk@24474 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Update TinyMCE media plugin's moxieplayer.swf to latest.



git-svn-id: http://core.svn.wordpress.org/trunk@24476 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Better cap checks in _wp_translate_post_data().



git-svn-id: http://core.svn.wordpress.org/trunk@24478 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Better validation of the URL used in core HTTP requests.



git-svn-id: http://core.svn.wordpress.org/trunk@24480 1a063a9b-81f0-0310-95a4-ce76da25c4cd