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Ignore:
Timestamp:
03/30/2016 03:50:36 PM (6 years ago)
Author:
ocean90
Message:

HTTP: Improve detection of valid IP addresses.

Merge of [37115] to the 4.4 branch.

File:
1 edited

Legend:

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  • branches/4.4/src/wp-includes/http.php

    r36436 r37116  
    528528    if ( ! $same_host ) {
    529529        $host = trim( $parsed_url['host'], '.' );
    530         if ( preg_match( '#^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$#', $host ) ) {
     530        if ( preg_match( '#^(([1-9]?\d|1\d\d|25[0-5]|2[0-4]\d)\.){3}([1-9]?\d|1\d\d|25[0-5]|2[0-4]\d)$#', $host ) ) {
    531531            $ip = $host;
    532532        } else {
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