Security researcher Narcoticxs, has submitted on 19/09/2007 a cross-site-scripting (XSS) vulnerability affecting www.pc-koubou.jp, which at the time of submission ranked 71593 on the web according to Alexa.
We manually validated and published a mirror of this vulnerability on 21/09/2007. It is currently unfixed.
If you believe that this security issue has been corrected, please send us an e-mail.
Vulnerable URL: http://www.pc-koubou.jp/pc/game.php?a="><script>alert(document.cookie)</script>><marquee><h1>By+Narcoticxs</h1></marquee>