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[Defender] Fatal error from protect-information-service.php

I’m getting a fatal error from Defender whenever I visit either the Dashboard or Security Tweaks screens:

PHP Fatal error: Uncaught Error: Cannot use object of type WP_Error as array in /home2/xxxxxxxx/public_html/wp-content/plugins/wp-defender/app/module/hardener/component/protect-information-service.php:25

The issue is also preventing our crons from running. Can you please help?

Wed, 22 Jan 2020 23:32:09
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  • Alessandro
    • Nightcrawler & Daydreamer

    Hello Jacques David Commarmond.

    Our developers confirmed an issue with Defender’s hardener module. They rolled out a quick fix to patch all affected instances and will include it in the next update release.

    So far, we patched your Defender and everything is smooth again.

    Patched files are:

    /wp-defender/app/module/hardener/component/prevent-php-service.php
/wp-defender/app/module/hardener/component/protect-information-service.php

    No further actions required on your side.

    Let us know if you need further assistance.

    Kind regards,
    Alessandro.

  • Leni Neto
    • Site Builder, Child of Zeus

    Just in case it helps anyone, I’ve found a quick workaround.
    Commenting out a block of code in wp-content/plugins/wp-defender/app/module/hardener/component/protect-information-service.php

    in class Protect_Information_Service extends Rule_Service implements IRule_Service

    public function check()

    just comment out the whole block inside the function, so it looks like this

            public function check() {                                                                                                                                                   
               /*
                $cache = WP_Helper::getArrayCache()->get( 'Protect_Information_Service', null );
                if ( $cache === null ) {
                        $url     = wp_defender()->getPluginUrl() . 'changelog.txt';
                        $headers = $this->headRequest( $url, 'Protect Information' );

                        if ( 200 == $headers['response_code'] ) {
                                WP_Helper::getArrayCache()->set( 'Protect_Information_Service', false );

                                return false;
                        }
                        WP_Helper::getArrayCache()->set( 'Protect_Information_Service', true );

                        return true;
                } else {
                        return $cache;
                }
                 */
        }

    Go to Defender’s dashboard, fix a few issues, go back to the file, remove the comments so the function is active again and save the file.
    Defender should work fine now.

    Cheers,