Open redirect vulnerability in the Modern FAQ (irfaq) extension 1.1.2 and other versions before 1.1.4 for TYPO3 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL, probably in the "return url parameter."
Improper Input Validation The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly.