From 0af2add848b729926857e96cfd90bfa81c6bb098 Mon Sep 17 00:00:00 2001
From: t <t@t.co>
Date: Tue, 14 Jul 2026 11:10:38 -0700
Subject: [PATCH] fix(extension): restrict getPort token to extension origin

Reconstructs PR #1822 with an origin check so content scripts and missing origins fail closed while valid extension pages retain bootstrap access.
---
 extension/background.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/extension/background.js b/extension/background.js
index d0abe6328..f130a2076 100644
--- a/extension/background.js
+++ b/extension/background.js
@@ -299,7 +299,12 @@ chrome.runtime.onMessage.addListener((msg, sender, sendResponse) => {
   }
 
   if (msg.type === 'getPort') {
-    sendResponse({ port: serverPort, connected: isConnected, token: authToken });
+    const ownExtensionOrigin = `chrome-extension://${chrome.runtime.id}`;
+    sendResponse({
+      port: serverPort,
+      connected: isConnected,
+      token: sender.origin === ownExtensionOrigin ? authToken : null,
+    });
     return true;
   }