76 lines
1.9 KiB
HTML
76 lines
1.9 KiB
HTML
<html>
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<head>
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<link
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href="https://fonts.googleapis.com/css?family=Montserrat&display=swap"
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rel="stylesheet"
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/>
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<style>
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.malware {
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position: fixed;
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bottom:0;
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left:0;
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right:0;
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height: 150px;
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background: red;
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color: black;
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display: flex;
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display: flex;
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justify-content: center;
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align-items: center;
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font-family: monospace;
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font-size: 72px;
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}
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</style>
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<script>
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function xssAttack() {
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const div = document.createElement('div');
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div.id = 'the-malware';
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div.className = 'malware';
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div.innerHTML = 'XSS Succeeded';
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document.getElementsByTagName('body')[0].appendChild(div);
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throw new Error('XSS Succeded');
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}
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</script>
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</head>
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<body>
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<div class="mermaid">
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%%{init: { 'theme':'base', '__proto__': {'polluted': 'asdf'}} }%%
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graph LR
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A --> B
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</div>
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<div class="mermaid">
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%%{init: { 'theme':'base', '__proto__': {'polluted': 'asdf'}} }%%
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%%{init: { 'theme':'base', '__proto__': {'polluted': 'asdf'}} }%%
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graph LR
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A --> B
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</div>
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<div class="mermaid">
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%%{init: { 'prototype': {'__proto__': {'polluted': 'test'}}} }%%
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%%{init: { 'prototype': {'__proto__': {'polluted': 'test'}}} }%%
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sequenceDiagram
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Alice->>Bob: Hi Bob
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Bob->>Alice: Hi Alice
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</div>
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<script src="./mermaid.js"></script>
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<script>
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mermaid.initialize({
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startOnLoad: true,
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useMaxWidth: true,
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});
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var cnt = 0;
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var a;
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var handler = setInterval(() => {
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cnt++;
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a = {};
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if (typeof a.polluted !== 'undefined') {
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clearInterval(handler);
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xssAttack();
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}
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if (cnt > 20) {
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clearInterval(handler);
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}
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}, 100);
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</script>
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</body>
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</html>
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