Open redirect vulnerability in the redirect_back_or_default function in app/controllers/application_controller.rb in Redmine before 2.4.5 and 2.5.x before 2.5.1 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the back url (back_url parameter).
| Software | From | Fixed in |
|---|---|---|
| redmine / redmine | 2.4.1 | 2.4.1.x |
| redmine / redmine | 2.5.0 | 2.5.0.x |
| redmine / redmine | 2.4.3 | 2.4.3.x |
| redmine / redmine | 2.4.2 | 2.4.2.x |
| redmine / redmine | 2.4.0 | 2.4.0.x |
| redmine / redmine | - | 2.4.4.x |