Secunia Security Advisory – A vulnerability has been reported in the The official twitter tweet button for your page extension for TYPO3, which can be exploited by malicious people to conduct cross-site scripting attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/93432/sa41268.txt
Source: https://packetstormsecurity.com/files/93432/Secunia-Security-Advisory-41268.html