Secunia Security Advisory – Daniel Fabian and J. Greil have reported a vulnerability in the rtehtmlarea extension for TYPO3, which can be exploited by malicious people to gain system access.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/53157/sa23466.txt
Source: https://packetstormsecurity.com/files/53157/Secunia-Security-Advisory-23466.html