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			73 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
			
		
		
	
	
			73 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
| <html>
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|   <head>
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|     <link href="https://fonts.googleapis.com/css?family=Montserrat&display=swap" rel="stylesheet" />
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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 Succeeded');
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|       }
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|     </script>
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|   </head>
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|   <body>
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|     <pre 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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|     </pre>
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|     <pre 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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|     </pre>
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|     <pre 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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|     </pre>
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|     <script type="module">
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|       import mermaid from './mermaid.esm.mjs';
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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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|       let cnt = 0;
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|       let a;
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|       const handler = setInterval(() => {
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|         cnt++;
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|         a = {};
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|         if (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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