It has been discovered that the extension "RealURL: speaking paths for TYPO3" (realurl) is vulnerable to SQL-Injection.
Release Date: September 25, 2013
Component Type: Third party extension. This extension is not a part of the TYPO3 default installation.
Affected Versions: Version 1.12.6 and below
Vulnerability Type: SQL Injection
Problem Description: Failing to properly sanitize user-supplied input the extension is vulnerable to SQL Injection attacks. A valid backend login is required.
Solution: An updated version 1.12.7 is available from the TYPO3 extension manager and at <http://typo3.org/extensions/repository/view/realurl/1.12.7/>. Users of the extension are advised to update the extension as soon as possible.
Credits: Credits go to Sebastian Nerz who discovered and reported the issue.