It has been discovered, that TYPO3 is susceptible to Cross-Site Scripting
July 1, 2015
Vulnerable subcomponent: Backend
Versions 6.2.0 to 6.2.13, 7.0.0 to 7.3.0
Suggested CVSS v2.0: AV:N/AC:M/Au:S/C:P/I:P/A:N/E:F/RL:OF/RC:C
not assigned yet
Failing to properly HTML encode input from editors (page titles in links and file names), TYPO3 is vulnerable to Cross-Site Scripting.
Update to TYPO3 versions 6.2.14 or 7.3.1 that fix the problem described.
Thanks to Marc Bastian Heinrichs who discovered and reported the issue.
Follow the recommendations that are given in the TYPO3 Security Guide
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