diff --git a/plugins/woocommerce-admin/bin/modified-editsite-lock-unlock.js b/plugins/woocommerce-admin/bin/modified-editsite-lock-unlock.js
index a9f0ec06e02..499d4e6e54e 100644
--- a/plugins/woocommerce-admin/bin/modified-editsite-lock-unlock.js
+++ b/plugins/woocommerce-admin/bin/modified-editsite-lock-unlock.js
@@ -3,16 +3,27 @@
  */
 import { __dangerousOptInToUnstableAPIsOnlyForCoreModules } from '@wordpress/private-apis';
 
-let consentString =
+const oldConsentString =
 	'I know using unstable features means my plugin or theme will inevitably break on the next WordPress release.';
+const newConsentString =
+	'I know using unstable features means my theme or plugin will inevitably break in the next version of WordPress.';
 
-if ( window.wcSettings && window.wcSettings.wpVersion ) {
-	// Parse the version string as a floating-point number
-	const wpVersion = parseFloat( window.wcSettings.wpVersion );
-	if ( ! isNaN( wpVersion ) && wpVersion >= 6.4 ) {
-		consentString =
-			'I know using unstable features means my theme or plugin will inevitably break in the next version of WordPress.';
-	}
+let consentString = oldConsentString;
+const wcSettings = window.wcSettings;
+const admin = wcSettings?.admin;
+
+const wpVersion = parseFloat( wcSettings?.wpVersion );
+const gutenbergVersion = parseFloat( admin?.gutenberg_version );
+
+// Use the new consent string if the WP version is 6.4 and above
+if ( ! isNaN( wpVersion ) && wpVersion >= 6.4 ) {
+	consentString = newConsentString;
+}
+
+// Users can install the latest Gutenberg plugin manually
+// Use the new consent string for Gutenberg 16.9 and above
+if ( ! isNaN( gutenbergVersion ) && gutenbergVersion >= 16.9 ) {
+	consentString = newConsentString;
 }
 
 export const { lock, unlock } =
diff --git a/plugins/woocommerce/changelog/41052-update-40840-customize-blank-issue-with-wp-6.4-followup b/plugins/woocommerce/changelog/41052-update-40840-customize-blank-issue-with-wp-6.4-followup
new file mode 100644
index 00000000000..df7f8606a81
--- /dev/null
+++ b/plugins/woocommerce/changelog/41052-update-40840-customize-blank-issue-with-wp-6.4-followup
@@ -0,0 +1,4 @@
+Significance: minor
+Type: fix
+
+Fix blank assember hub (CYS) issue on WP 6.3 + latest Gutenberg.
diff --git a/plugins/woocommerce/src/Internal/Admin/Settings.php b/plugins/woocommerce/src/Internal/Admin/Settings.php
index 24dc4b60b00..8b3c7fcdee4 100644
--- a/plugins/woocommerce/src/Internal/Admin/Settings.php
+++ b/plugins/woocommerce/src/Internal/Admin/Settings.php
@@ -239,6 +239,8 @@ class Settings {
 
 		$settings['isWooPayEligible'] = WCPayPromotionInit::is_woopay_eligible();
 
+		$settings['gutenberg_version'] = defined( 'GUTENBERG_VERSION' ) ? constant( 'GUTENBERG_VERSION' ) : 0;
+
 		return $settings;
 	}