Bleeping Computer: Newsletter plugin bugs let hackers inject backdoors on 300K sites

Bleeping Computer: Newsletter plugin bugs let hackers inject backdoors on 300K sites. “The vulnerability was found in the Newsletter WordPress plugin that provides the tools needed to create responsive newsletter and email mail marketing campaigns on WordPress blogs using a visual composer. Newsletter has already been downloaded over 12 million times since it was added to the official WordPress plugin repository and is now installed on more than 300,000 sites.”

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