Secunia Security Advisory – A security issue has been reported in the Front End User Registration extension for TYPO3, which can be exploited by malicious people to bypass certain security restrictions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/92236/sa40753.txt
Source: https://packetstormsecurity.com/files/92236/Secunia-Security-Advisory-40753.html