Changeset 45971 for trunk

Timestamp:

09/04/2019 04:56:33 PM (5 years ago)

Author:

SergeyBiryukov

Message:

Improve URL validation in wp_validate_redirect().

Props vortfu, whyisjake, peterwilsoncc.

File:

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

trunk/src/wp-includes/pluggable.php

@@ -1406 +1406 @@
         if ( isset( $lp['scheme'] ) && ! ( 'http' == $lp['scheme'] || 'https' == $lp['scheme'] ) ) {
             return $default;
+        }
+
+        if ( ! isset( $lp['host'] ) && ! empty( $lp['path'] ) && '/' !== $lp['path'][0] ) {
+            $path = '';
+            if ( ! empty( $_SERVER['REQUEST_URI'] ) ) {
+                $path = dirname( parse_url( 'http://placeholder' . $_SERVER['REQUEST_URI'], PHP_URL_PATH ) . '?' );
+            }
+            $location = '/' . ltrim( $path . '/', '/' ) . $location;
         }