WordPress versions 4.8.1 and earlier are affected by nine security issues:

From the WordPress 4.8.2 release post: WordPress versions 4.8.1 and earlier are affected by nine security issues: $wpdb->prepare() can create unexpected and unsafe queries leading to potential SQL injection (SQLi). WordPress core is not directly vulnerable to this issue, but we’ve added hardening to prevent plugins and themes from ... Read More »

17th Sept 2017