Balero CMS is an open source project that can help you manage the page of your company with just a few guided steps, minimizing the costs that many companies make to have your advertising medium and/or portal.
Input passed to the 'content' POST parameter and the cookie 'counter' is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.