MTN Group: Cross-site Scripting (XSS) - Reflected on http://callertunez.mtn.com.gh/wap/noauth/sharedetail.ftl via `callback` parameter

The vulnerability was a reflected cross-site scripting XSS found on the website http://callertunez.mtn.com.gh/wap/noauth/sharedetail.ftl via the "callback" parameter. The vulnerability allowed the execution of arbitrary JavaScript code...