Mailpoet » Mailpoet Newsletters » 2.5.9.1 for wordpress : Security Vulnerabilities, CVEs,

An issue was discovered in the MailPoet Newsletters (aka wysija-newsletters) plugin before 2.8.2 for WordPress. The plugin is vulnerable to SPAM attacks.

Unspecified vulnerability in the MailPoet Newsletters (wysija-newsletters) plugin before 2.6.8 for WordPress has unspecified impact and attack vectors.

The MailPoet Newsletters (wysija-newsletters) plugin before 2.6.7 for WordPress allows remote attackers to bypass authentication and execute arbitrary PHP code by uploading a crafted theme using wp-admin/admin-post.php and accessing the theme in wp-content/uploads/wysija/themes/mailp/.

Cross-site request forgery (CSRF) vulnerability in the MailPoet Newsletters (wysija-newsletters) plugin before 2.6.11 for WordPress allows remote attackers to hijack the authentication of arbitrary users.