For further information on the issues in the extension "T3BLOG" (t3blog),
please read the related advisory TYPO3-SA-2010-002 that was published
today:
https://typo3.org/teams/security/security-bulletins/typo3-sa-2010-002/
For further information on all CSB (Collective Security Bulletin) issues,
please read the related advisory TYPO3-SA-2010-003 that was published
today:
https://typo3.org/teams/security/security-bulletins/typo3-sa-2010-003/
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
See all TYPO3 security advisories:
http://typo3.org/teams/security/security-bulletins/