OLX: XSS in OLX.pl ("title" in new advertisement)

Hello, I found XSS vulnerability in "new advertisement" in OLX.pl Step to reproduce: 1. Go to https://www.olx.pl/nowe-ogloszenie/ 2. Put this payload "" in "add-title" element 3. Complete all data in this form and click Next 4. On the next page we can see executed XSS Regards, 4rch...