Security issue in third party extension "T3Blog" (t3blog)

A Cross-Site Scripting vulnerabilitiy has been discovered in the third party TYPO3 extension "T3Blog" (t3blog)

For further information on the issue in extension "T3Blog" (t3blog), please read the related advisory TYPO3-EXT-SA-2011-013 that was published today:
https://typo3.org/security/advisory/typo3-ext-sa-2011-013/

In general the TYPO3 Security Team recommends to read the following pages:

• The TYPO3 Security Guide: https://docs.typo3.org/m/typo3/reference-coreapi/main/en-us/Security/Index.html#security-guidelines
• 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