A critical security flaw in a WordPress plugin allows threat actors to remotely execute PHP code. 

The vulnerability is found in the Ad Inserter plugin, a plugin that is currently installed in more than 200,000 sites, and stems from the use of the check_admin_referer() for authorization.

Ad Inserter is an ad management plugin with many advanced advertising features to insert ads at optimal positions and it comes with support for all kinds of ads including Google AdSense, Google Ad Manager, contextual Amazon Native Shopping Ads, Media.net and rotating banners, according to Bleeping Computer

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