Security vulnerabilities have been discovered in the third party TYPO3 extension "WEC Discussion Forum" (wec_discussion)
For further information on the issue in extension "WEC Discussion Forum" (wec_discussion), please read the related advisory TYPO3-SA-2011-003 that
was published today:
http://typo3.org/teams/security/security-bulletins/typo3-sa-2011-003/
In general the TYPO3 Security Team recommends to read the following pages:
The TYPO3 Security Cookbook:
http://typo3.org/fileadmin/security-team/typo3_security_cookbook_v-0.5.pdf
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:
http://typo3.org/teams/security/security-bulletins/