Ticket #25822: 25822.diff

src/wp-includes/functions.php

@@ -1368 +1368 @@
         }
 
         // Get the permission bits.
-        if ( $target_parent && '.' != $target_parent ) {
-                $stat = @stat( $target_parent );
+        $dir_perms = false;
+        if ( $stat = @stat( $target_parent ) ) {
                 $dir_perms = $stat['mode'] & 0007777;
         } else {
                 $dir_perms = 0777;
         }
 
         if ( @mkdir( $target, $dir_perms, true ) ) {
+
+                // If a umask is set that modifies $dir_perms, we'll have to re-set the $dir_perms correctly with chmod()
+                if ( $dir_perms != $dir_perms & ~umask() ) {
+                        $folder_parts = explode( '/', substr( $target, strlen( $target_parent ) + 1 ) );
+                        for ( $i = 1; $i <= count( $folder_parts ); $i++ ) {
+                                @chmod( $target_parent . '/' . implode( '/', array_slice( $folder_parts, 0, $i ) ), $dir_perms );
+                        }
+                }
+
                 return true;
         }