Security vulnerabilities have been discovered in the third party TYPO3 extensions including:
sr_feuser_register
tkcropthumbs, t3extplorer, tc_beuser, an_predigten, solr, pdfcontroller, cc20, jwplayer
For further information on the issue in the extension "Frontend User Registration" (sr_feuser_register), please read the related advisory TYPO3-EXT-SA-2012-002 that was published today:
http://typo3.org/teams/security/security-bulletins/typo3-extensions/typo3-ext-sa-2012-002/
For further information on all CSB (Collective Security Bulletin) issues, please read the related advisory TYPO3-EXT-SA-2012-003 that was published today:
http://typo3.org/teams/security/security-bulletins/typo3-extensions/typo3-ext-sa-2012-003/
In general the TYPO3 Security Team recommends to read the following pages:
The TYPO3 Security Guide:
http://typo3.org/documentation/document-library/extension-manuals/doc_guide_security/current/
Make sure you are subscribed to the TYPO3 Announce List:
http://lists.typo3.org/cgi-bin/mailman/listinfo/typo3-announce
See all TYPO3 security advisories for TYPO3 third party extensions:
http://typo3.org/teams/security/security-bulletins/typo3-extensions/