The changelog for the latest version of Easy WP SMTP is “Fixed potential vulnerability in import\export settings.”, which turns out to relate to multiple vulnerabilities. Looking at the changes made in that version we noticed that in the import portion of that there was previously a PHP object injection vulnerability and there is still a CSRF issue related to that.

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This post provides insights on a vulnerability in the WordPress plugin Easy WP SMTP not discovered by us, where the discoverer hadn't provided the details needed for us to confirm the vulnerability while we were adding it to the data set for our service, so the rest of its contents are limited to subscribers of our service.

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