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2026-04-13 15:50:16 +02:00
parent d8382136b2
commit cb5b386424
6906 changed files with 1956223 additions and 40713 deletions
--- a/wp-includes/template-loader.php
+++ b/wp-includes/template-loader.php
@@ -111,8 +111,15 @@ if ( wp_using_themes() ) {
 	 *
 	 * @param string $template The path of the template to include.
 	 */
-	$template = apply_filters( 'template_include', $template );
-	if ( $template ) {
+	$template   = apply_filters( 'template_include', $template );
+	$is_stringy = is_string( $template ) || ( is_object( $template ) && method_exists( $template, '__toString' ) );
+	$template   = $is_stringy ? realpath( (string) $template ) : null;
+	if (
+		is_string( $template ) &&
+		( str_ends_with( $template, '.php' ) || str_ends_with( $template, '.html' ) ) &&
+		is_file( $template ) &&
+		is_readable( $template )
+	) {
 		/**
 		 * Fires immediately before including the template.
 		 *