Our development team has submitted Social Warfare V3.5.3 to the WordPress update-repository, which addresses this vulnerability and undoes any changes it makes. Please log-in to your WordPress dashboard and apply this update as soon as possible.
— Warfare Plugins (@warfareplugins) March 21, 2019
Social Warfare plugin was patched only hours ago so if you have any site using it you should either upgrade to version 3.5.3 or de-activate and remove it from your WordPress installation. The patched version is still pending approval in order to be published again under WordPerss.org rep[osiutory so if you’re looking for an option to download the updated version then follow the Social Warfare Free and Social Warfare Pro direct plugin download URLs.
Social Warfare plugin is one of the most popular WordPress social media sharing plugins and has an active install base of over 70,000 sites and more than 805,000 downloads.
It seems that Social Warfare plugin has been restored to WordPress.org repository so all current installations will receive an update notification within their WordPress Dashboard.