Some vulnerabilities have been reported in the Formhandler extension for TYPO3, which can be exploited by malicious users to conduct SQL injection attacks and by malicious people to conduct cross-site scripting attacks.

1) Certain unspecified input is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.

2) Certain unspecified input is not properly sanitised before being used in SQL queries. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.

Successful exploitation of this vulnerability requires Editors rights to the Formhandler backend module.

The vulnerabilities are reported in versions 1.4.0 and prior.

Solution
Update to version 1.4.1.

Provided and/or discovered by
The vendor credits Sven Krewitt.

Original Advisory
TYPO3-EXT-SA-2012-012:
http://typo3.org/teams/security/security-bulletins/typo3-extensions/typo3-ext-sa-2012-012/

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