diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0e95ea8..dfc3eb0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -30,6 +30,7 @@ For major (breaking) changes - version 3 and 2 see end of page.
 
 | Version        | Date           | Comment  |
 | -------------- | -------------- | -------- |
+| 4.27.11        | 2020-10-26     | `inetChecksite()` fixed vulnerability: command injection |
 | 4.27.10        | 2020-10-16     | `dockerContainers()` resolved hanging issue |
 | 4.27.9         | 2020-10-13     | `networkInterfaces()` loopback internal detection (windows) |
 | 4.27.8         | 2020-10-08     | windows codepages partial fix |
diff --git a/docs/history.html b/docs/history.html
index 05c9067..da01d35 100644
--- a/docs/history.html
+++ b/docs/history.html
@@ -83,6 +83,11 @@
                   </tr>
                 </thead>
                 <tbody>
+                  <tr>
+                    <th scope="row">4.27.11</th>
+                    <td>2020-10-26</td>
+                    <td><span class="code">inetChecksite()</span> fixed vulnerability: command injection</td>
+                  </tr>
                   <tr>
                     <th scope="row">4.27.10</th>
                     <td>2020-10-16</td>
diff --git a/docs/index.html b/docs/index.html
index 1a843ac..ba2af03 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -168,7 +168,7 @@
       <img class="logo" src="assets/logo.png">
       <div class="title">systeminformation</div>
       <div class="subtitle"><span id="typed"></span></div>
-      <div class="version">Current Version: <span id="version">4.27.10</span></div>
+      <div class="version">Current Version: <span id="version">4.27.11</span></div>
       <button class="btn btn-light" onclick="location.href='https://github.com/sebhildebrandt/systeminformation'">View on Github <i class=" fab fa-github"></i></button>
     </div>
     <div class="down">
diff --git a/lib/internet.js b/lib/internet.js
index 414ef75..ac81e36 100644
--- a/lib/internet.js
+++ b/lib/internet.js
@@ -34,7 +34,13 @@ function inetChecksite(url, callback) {
   return new Promise((resolve) => {
     process.nextTick(() => {
 
-      const urlSanitized = util.sanitizeShellString(url).toLowerCase();
+      let urlSanitized = util.sanitizeShellString(url).toLowerCase();
+      urlSanitized = urlSanitized.replace(/ /g, '');
+      urlSanitized = urlSanitized.replace(/\$/g, '');
+      urlSanitized = urlSanitized.replace(/\(/g, '');
+      urlSanitized = urlSanitized.replace(/\)/g, '');
+      urlSanitized = urlSanitized.replace(/{/g, '');
+      urlSanitized = urlSanitized.replace(/}/g, '');
       let result = {
         url: urlSanitized,
         ok: false,