From 8701566c1d16ddea18ab7c72d8010ee0b8e2b2ac Mon Sep 17 00:00:00 2001
From: Donncha O Caoimh <5656673+donnchawp@users.noreply.github.com>
Date: Mon, 13 Apr 2026 13:28:29 +0100
Subject: [PATCH 1/3] Harden index.html warning dismissal handler

---
 wp-cache.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/wp-cache.php b/wp-cache.php
index d645567d..d9a96224 100644
--- a/wp-cache.php
+++ b/wp-cache.php
@@ -2097,6 +2097,11 @@ function wpsc_config_file_notices() {
 add_action( 'admin_notices', 'wpsc_config_file_notices' );
 function wpsc_dismiss_indexhtml_warning() {
 		check_ajax_referer( "wpsc-index-dismiss" );
+
+		if ( ! current_user_can( 'manage_options' ) ) {
+			wp_send_json_error( null, 403 );
+		}
+
 		update_site_option( 'wp_super_cache_index_detected', 3 );
 		die( 0 );
 }

From b775aa29eab2d82492a7576b360d4ce77184fa73 Mon Sep 17 00:00:00 2001
From: Donncha O Caoimh <5656673+donnchawp@users.noreply.github.com>
Date: Mon, 13 Apr 2026 13:31:19 +0100
Subject: [PATCH 2/3] Fix indentation

---
 wp-cache.php | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/wp-cache.php b/wp-cache.php
index d9a96224..4cc3c0c7 100644
--- a/wp-cache.php
+++ b/wp-cache.php
@@ -2096,14 +2096,14 @@ function wpsc_config_file_notices() {
 }
 add_action( 'admin_notices', 'wpsc_config_file_notices' );
 function wpsc_dismiss_indexhtml_warning() {
-		check_ajax_referer( "wpsc-index-dismiss" );
+	check_ajax_referer( "wpsc-index-dismiss" );
 
-		if ( ! current_user_can( 'manage_options' ) ) {
-			wp_send_json_error( null, 403 );
-		}
+	if ( ! current_user_can( 'manage_options' ) ) {
+		wp_send_json_error( null, 403 );
+	}
 
-		update_site_option( 'wp_super_cache_index_detected', 3 );
-		die( 0 );
+	update_site_option( 'wp_super_cache_index_detected', 3 );
+	die( 0 );
 }
 add_action( 'wp_ajax_wpsc-index-dismiss', 'wpsc_dismiss_indexhtml_warning' );
 

From d79877504a1d8ca93945e5888fa914a0768acdb0 Mon Sep 17 00:00:00 2001
From: Donncha O Caoimh <5656673+donnchawp@users.noreply.github.com>
Date: Mon, 13 Apr 2026 13:32:54 +0100
Subject: [PATCH 3/3] Linting fix, single quotes only here

---
 wp-cache.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wp-cache.php b/wp-cache.php
index 4cc3c0c7..88c15585 100644
--- a/wp-cache.php
+++ b/wp-cache.php
@@ -2096,7 +2096,7 @@ function wpsc_config_file_notices() {
 }
 add_action( 'admin_notices', 'wpsc_config_file_notices' );
 function wpsc_dismiss_indexhtml_warning() {
-	check_ajax_referer( "wpsc-index-dismiss" );
+	check_ajax_referer( 'wpsc-index-dismiss' );
 
 	if ( ! current_user_can( 'manage_options' ) ) {
 		wp_send_json_error( null, 403 );