Component Type: TYPO3 CMS
Release Date: July 1, 2015
Vulnerable subcomponent: Backend
Vulnerability Type: Cross-Site Scripting
Affected Versions: 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
CVE: not assigned yet
Problem Description: Failing to properly HTML encode input from editors (page titles in links and file names), TYPO3 is vulnerable to Cross-Site Scripting.
Solution: Update to TYPO3 versions 6.2.14 or 7.3.1 that fix the problem described.
Credits: Thanks to Marc Bastian Heinrichs who discovered and reported the issue.
General Note: All security related code changes are tagged so that you can easily look them up on our review system.