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Plugin broken vulnerable to sql injection!!!

  • Running 1.36.0 we noticed that our importer was breaking. After looking at the php error log I was shocked to see that the plugin was failing to escape dynamically created SQL statement! Any property with a ‘ in the title was breaking the importer.

    WordPress database error You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ‘s Brand New Townhome Development” at line 1 for query SELECT ID FROM wp_posts where post_title = ‘Jackson’s Brand New Townhome Development’ …

    This error occurs on line #4014 of \wp-content\plugins\wp-property\core\premium\class_wpp_property_import.php

    You can patch it by replacing line #4014 with

    $title = mysql_real_escape_string($data[$data['unique_id']][0]);
    $post_exists = $wpdb->get_var( "SELECT ID FROM ".$wpdb->posts." where {$data['unique_id']} = '{$title}' " );

    This bad coding not only spent our development team hours to track down and fix but it also open a huge hole to SQL injection in our Website!

    Don’t believe me? Change the title of one of the properties in your import xml to

    ‘; update wp_posts set post_title=’this plugin is bad’ where 1=1;#

    run the import and see what happens.

    http://wordpress.org/extend/plugins/wp-property/

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