Add 'rel' attribute to default welcome page. (#5695)

matrix-org · Feb 19, 2020 · b93f684 · b93f684
2 parents 4f89046 + 5c05ae7
commit b93f684
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diff --git a/changelog.d/5695.misc b/changelog.d/5695.misc
@@ -0,0 +1 @@
+Add precautionary measures to prevent future abuse of `window.opener` in default welcome page.
diff --git a/synapse/static/index.html b/synapse/static/index.html
@@ -48,13 +48,13 @@
     </div>
     <h1>It works! Synapse is running</h1>
     <p>Your Synapse server is listening on this port and is ready for messages.</p>
-    <p>To use this server you'll need <a href="https://matrix.org/docs/projects/try-matrix-now.html#clients" target="_blank">a Matrix client</a>.
+    <p>To use this server you'll need <a href="https://matrix.org/docs/projects/try-matrix-now.html#clients" target="_blank" rel="noopener noreferrer">a Matrix client</a>.
     </p>
     <p>Welcome to the Matrix universe :)</p>
     <hr>
     <p>
       <small>
-        <a href="https://matrix.org" target="_blank">
+        <a href="https://matrix.org" target="_blank" rel="noopener noreferrer">
           matrix.org
         </a>
       </small>