The Direct Mail (direct_mail) extension before 3.1.2 for TYPO3 allows remote attackers to obtain sensitive information by leveraging improper checking of authentication codes.

The direct_mail extension through 5.2.3 for TYPO3 allows Information Disclosure via a newsletter subscriber data Special Query.

The direct_mail extension through 5.2.3 for TYPO3 has an Open Redirect via jumpUrl.

The direct_mail extension through 5.2.3 for TYPO3 has Broken Access Control for newsletter subscriber tables.

The direct_mail extension through 5.2.3 for TYPO3 allows Denial of Service via log entries.

The direct_mail (aka Direct Mail) extension through 5.2.2 for TYPO3 has a missing access check in the backend module, allowing a user (with restricted permissions to the fe_users table) to view and export data of frontend users who are subscribed to a newsletter.