Changeset 61882

Timestamp:

03/10/2026 12:27:42 PM (3 days ago)

Author:

johnbillion

Message:

KSES: Optimize PCRE pattern detecting numeric character references.

Props dmsnell, xknown, johnbillion.

File:

• trunk/src/wp-includes/kses.php (modified) (1 diff)

trunk/src/wp-includes/kses.php

@@ -2119 +2119 @@
      * Here, each input is normalized to an appropriate output.
      */
-    $content = preg_replace_callback( '/&#(0*[0-9]{1,7});/', 'wp_kses_normalize_entities2', $content );
-    $content = preg_replace_callback( '/&#[Xx](0*[0-9A-Fa-f]{1,6});/', 'wp_kses_normalize_entities3', $content );
+    $content = preg_replace_callback( '/&#(0*[1-9][0-9]{0,6});/', 'wp_kses_normalize_entities2', $content );
+    $content = preg_replace_callback( '/&#[Xx](0*[1-9A-Fa-f][0-9A-Fa-f]{0,5});/', 'wp_kses_normalize_entities3', $content );
     if ( 'xml' === $context ) {
         $content = preg_replace_callback( '/&([A-Za-z]{2,8}[0-9]{0,2});/', 'wp_kses_xml_named_entities', $content );