Some vulnerabilities have been reported in Typo3, which can be exploited by malicious people to conduct cross-site scripting attacks and disclose sensitive information.
1) Input passed via unspecified fields to the backend user interface 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) An error in the "jumpUrl" mechanism can be exploited to read arbitrary files from local resources by disclosing a hash secret used to restrict file access.
Solution: Update to version 4.0.12, 4.1.10, or 4.2.6.
Provided and/or discovered by: The vendor credits:
1) Jelmer de Hen and Dmitry Dulepov
2) Marcus Krause
Original Advisory: http://typo3.org/teams/security/security-bulletins/typo3-sa-2009-002/
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Subject: Typo3 Cross-Site Scripting and Information Disclosure
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