From cbce1f26aaa37701cd7f7bc6c4b1cccd0ee6ead9 Mon Sep 17 00:00:00 2001
From: Lukas Gaechter <lukas.gaechter@mind.ch>
Date: Wed, 13 Dec 2023 10:10:50 +0100
Subject: [PATCH] fix: Fix a PHP 8.1 deprecation

---
 lib/Timmy.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Timmy.php b/lib/Timmy.php
index 23f3e85..23d16f2 100644
--- a/lib/Timmy.php
+++ b/lib/Timmy.php
@@ -438,7 +438,7 @@ public function filter_image_downsize( $return, $attachment_id, $size ) {
 
 		// When media files are requested through an AJAX call, an action will be present in $_POST.
 		$action = is_admin() && isset( $_POST['action'] )
-			? filter_var( $_POST['action'], FILTER_SANITIZE_STRING )
+			? htmlspecialchars( $_POST['action'] )
 			: false;
 
 		$attachment = get_post( $attachment_id );