【14期-1班-小酒】 关于XSS 跨域的问题求助

PHA+5LiA5YWxMuS4qumXrumimDwvcD4KPGgyPjxhIG5hbWU9IjEtbGluayDmoIfnrb7vvIwg5ZKMbWV0Yeagh+etviI+PC9hPjxzcGFuPjwvc3Bhbj4xLWxpbmsg5qCH562+77yMIOWSjG1ldGHmoIfnrb48L2gyPjxwPuS6i+aDheeahOi1t+WboO+8jCDnu4PkuaBYU1PnmoTml7blgJnvvIzpgYfliLDkuIDkuKrnvZHnq5njgIIgbGlua+agh+etvu+8jOi3n21ldGHmoIfnrb7ph4zpnaLlj6/ku6XorqnmiJHovpPlhaXlhoXlrrnjgIIg5L2/55So5Y+M5byV5Y+377yM5Y+v5Lul6Zet5ZCI5o6J44CCPGJyPuS6juaYr+aIkeaJvuS6huW+iOWkmui1hOaWme+8jCDmn6XkuoZsaW5r77yM6LefbWV0Yeagh+etvueahGpz5LqL5Lu2PC9wPgo8cD4mbHQ7bGluayByZWw9JnF1b3Q7cHJlLWZldGNoJnF1b3Q7IGhyZWY9JnF1b3Q7amF2YXNjcmlwdDphbGVydCgxKSZxdW90OyZndDs8L3A+CjxwPiZsdDttZXRhIGh0dHAtZXF1aXY9JnF1b3Q7cmVmcmVzaCZxdW90OyBjb250ZW50PSZxdW90OzE7dXJsPWphdmFzY3JpcHQ6YWxlcnQoMSkmcXVvdDsgJmd0OwoKPC9wPgo8cD7kvYbmmK/mj5DnpLrot6jln5/mnInpl67popjjgIIg5omn6KGM5LiN5LqGanPjgILlpoLmnpzmjaLmiJDkuIvpnaLov5nnp43mmK/lj6/ku6XmiafooYznmoQ8L3A+CjxwPiZsdDtsaW5rIHJlbD0mcXVvdDtwcmUtZmV0Y2gmcXVvdDsgaHJlZj0mcXVvdDt3d3cuYnV4aXVnYW5nZGFwZW5nLmNvbSZxdW90OyZndDs8L3A+CjxwPiZsdDttZXRhIGh0dHAtZXF1aXY9JnF1b3Q7cmVmcmVzaCZxdW90OyBjb250ZW50PSZxdW90OzE7dXJsPXd3dy5idXhpdWdhbmdkYXBlbmcuY29tJnF1b3Q7ICZndDsKCgo8L3A+CjxwPumXru+8mjHvvIzot6jln5/mgI7kuYjop6PlhrPvvIzlj6/ku6XlpITnkIblkJfvvJ8yIO+8jGxpbmvmoIfnrb7vvIzot59tZXRh5qCH562+5pyJ5YW25LuW55qE5LqL5Lu25Y+v5Lul5L2/55So5ZCX77yfPC9wPgo8aDI+PGEgbmFtZT0iMi7lhbPkuo51cmxA56ym5Y+3Ij48L2E+PHNwYW4+PC9zcGFuPjIu5YWz5LqOdXJsQOespuWPtzwvaDI+PHA+5oiR5om+5LqG6LWE5paZ44CCIOWmguaenOWcqHVybOS4reWKoOS4ikDnrKblj7fvvIwg5Lya55u05o6l6K6/6Zeu5ZCO6Z2i55qE5Z+f5ZCN44CCIOaYr+WJjemdoueahOWNj+iuritA56ym5Y+35ZCO6Z2i55qE5Z+f5ZCN44CC6L+Z5Liq5piv5rKh6Zeu6aKY55qEPGJyPnVybD3igJ08YT5odHRwOi8vd3d3LnprYXEuY29tJiM2NDt3d3cuYnV4aXVnYW5nZGFwZW5nLmNvbS90ZXN0LmpzPC9hPuKAnDxicj7kvYbmmK/vvIwg5aaC5p6c5pS+5ZyoIHNyY+mHjOmdou+8jOWwseS4jeihjOS6hu+8jCDkuI3nn6XpgZPkuLrllaUg5rWP6KeI5Zmo5o+Q56S677yM6K+05piv6Leo5Z+f55qE6Zeu6aKY44CC5rGC5YqpPC9wPg==