Ticket #20672: 20672.diff

wp-includes/post.php

@@ -1938 +1938 @@
                 $real_mime_types = array_map('trim', explode(',', $real_mime_types));
         $wild = '[-._a-z0-9]*';
         foreach ( (array) $wildcard_mime_types as $type ) {
-                $type = str_replace('*', $wild, $type);
-                $patternses[1][$type] = "^$type$";
+                $regex = str_replace( '__wildcard__', $wild, preg_quote( str_replace( '*', '__wildcard__', $type ) ) );
+                $patternses[1][$type] = "^$regex$";
                 if ( false === strpos($type, '/') ) {
-                        $patternses[2][$type] = "^$type/";
-                        $patternses[3][$type] = $type;
+                        $patternses[2][$type] = "^$regex/";
+                        $patternses[3][$type] = $regex;
                 }
         }
         asort($patternses);