Make WordPress Core

Changeset 45983


Ignore:
Timestamp:
09/04/2019 05:13:25 PM (5 years ago)
Author:
SergeyBiryukov
Message:

Improve URL validation in wp_validate_redirect().

Merges [45971] to the 4.2 branch.
Props vortfu, whyisjake, peterwilsoncc.

Location:
branches/4.2
Files:
2 edited

Legend:

Unmodified
Added
Removed
  • branches/4.2

  • branches/4.2/src/wp-includes/pluggable.php

    r40189 r45983  
    13031303    if ( isset($lp['scheme']) && !('http' == $lp['scheme'] || 'https' == $lp['scheme']) )
    13041304        return $default;
     1305
     1306    if ( ! isset( $lp['host'] ) && ! empty( $lp['path'] ) && '/' !== $lp['path'][0] ) {
     1307        $path = '';
     1308        if ( ! empty( $_SERVER['REQUEST_URI'] ) ) {
     1309            $path = dirname( parse_url( 'http://placeholder' . $_SERVER['REQUEST_URI'], PHP_URL_PATH ) . '?' );
     1310        }
     1311        $location = '/' . ltrim( $path . '/', '/' ) . $location;
     1312    }
    13051313
    13061314    // Reject if certain components are set but host is not. This catches urls like https:host.com for which parse_url does not set the host field.
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