From ae50532c0f8ed5b4f8b4e31100e69f58327747b9 Mon Sep 17 00:00:00 2001
From: Brian DiChiara <brian.dichiara@viget.com>
Date: Mon, 13 Jan 2025 12:59:27 -0600
Subject: [PATCH] [N/A] Fix an issue when embedding GTM

---
 .../src/classes/Admin/CustomScripts.php       | 26 +++++++++++++------
 1 file changed, 18 insertions(+), 8 deletions(-)

diff --git a/wp-content/mu-plugins/viget-wp/src/classes/Admin/CustomScripts.php b/wp-content/mu-plugins/viget-wp/src/classes/Admin/CustomScripts.php
index 79d7f842..ef303d79 100644
--- a/wp-content/mu-plugins/viget-wp/src/classes/Admin/CustomScripts.php
+++ b/wp-content/mu-plugins/viget-wp/src/classes/Admin/CustomScripts.php
@@ -190,27 +190,37 @@ function() {
 
 				$scripts = ! empty( $_POST[ self::OPTION_NAME ] ) ? $_POST[ self::OPTION_NAME ] : $this->scripts;
 				$allowed = [
-					'script' => [
-						'type' => [],
-						'src' => [],
+					'script'   => [
+						'type'  => [],
+						'src'   => [],
 						'async' => [],
 						'defer' => [],
 					],
 					'noscript' => [],
-					'iframe' => [
-						'src' => [],
-						'width' => [],
+					'iframe'   => [
+						'src'    => [],
+						'width'  => [],
 						'height' => [],
-						'style' => [],
+						'style'  => [],
 					],
-					'#text' => [], // Allow inline script content
+					'#text'    => [], // Allow inline script content
 				];
 
+				$style_filter = function( array $styles ): array {
+					$styles[] = 'display';
+					$styles[] = 'visibility';
+					return $styles;
+				};
+
+				add_filter( 'safe_style_css', $style_filter );
+
 				foreach ( $scripts as $key => $script ) {
 					$script = wp_kses( wp_unslash( $script ), $allowed );
 					$scripts[ $key ] = html_entity_decode( $script, ENT_QUOTES | ENT_HTML5 );
 				}
 
+				remove_filter( 'safe_style_css', $style_filter );
+
 				update_option( self::OPTION_NAME, $scripts );
 
 				$this->scripts = $scripts;