From 59f4aca0106fec350842c862d1958ff602070394 Mon Sep 17 00:00:00 2001
From: Raymond Hill <rhill@raymondhill.net>
Date: Tue, 22 Apr 2025 09:34:26 -0400
Subject: [PATCH] Exclude `chrome:` as valid openers for popup candidates

Related issue:
https://github.com/uBlockOrigin/uBlock-issues/issues/2227
---
 src/js/tab.js | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/src/js/tab.js b/src/js/tab.js
index 1bf65912d..743ea6b62 100644
--- a/src/js/tab.js
+++ b/src/js/tab.js
@@ -573,14 +573,12 @@ housekeep itself.
             } catch {
                 return;
             }
-            if (
-                Array.isArray(openerDetails) === false ||
-                openerDetails.length !== 2 ||
-                openerDetails[1] === null ||
-                openerDetails[1].url === 'about:newtab'
-            ) {
-                return;
-            }
+            if ( Array.isArray(openerDetails) === false ) { return; }
+            if ( openerDetails.length !== 2 ) { return; }
+            if ( openerDetails[1] === null ) { return; }
+            if ( openerDetails[1].url === 'about:newtab' ) { return; }
+            // https://github.com/uBlockOrigin/uBlock-issues/issues/2227
+            if ( openerDetails[1].url.startsWith('chrome:') ) { return; }
             popupCandidates.set(
                 tabId,
                 new PopupCandidate(createDetails, openerDetails)