TYPO3-EXT-SA-2021-014: SQL Injection in extension "Newsletter" (newsletter)

Categories: Development, Security Created by Torben Hansen
It has been discovered that the extension"Newsletter" (newsletter) is susceptible to SQL Injection.

Problem Description

It has been discovered that the extension is susceptible to SQL Injection when processing bounced emails.


All versions of this extension that are known to be vulnerable will no longer be available for download from the TYPO3 Extension Repository, since the extension is unmaintained.

Please uninstall and delete the extension folder from your installation and search on the TYPO3 Extension Repository for alternative extensions.


Thanks to Ayke Halder for reporting the issue.

General Advice

Follow the recommendations that are given in the TYPO3 Security Guide. Please subscribe to the typo3-announce mailing list.