Open-Xchange: Stored XSS in Template Documents

Steps to reproduce: Setup: Edit My Contact Data: - first name: ' onmouseover=alert1 data-first=' - last name: anything 1. Create a new text document, and make sure it is saved. 2. Click Review, check "Track Changes". 3. Make another edit, it should show coloured now as it is tracked. 4. Click Fil...