Full Path Disclosure

{"code":500,"error":"Failed to render CSS stylesheet.","file":"/assets/packages/app/shared/css/","message":"ENOENT, open '/srv/www/respondly/releases/20140421220734/marketing_bundle/programs/server/assets/packages/app/shared/css/"} Request ------------ GET /css/shared/%22ns=%22alert(9) HTTP/1.1 Cache-Control: no-cache Accept: text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5 User-Agent: Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0;) Accept-Language: en-us,en;q=0.5 Host: respond.ly Accept-Encoding: gzip, deflate Response -------------- HTTP/1.1 500 Internal Server Error Connection: keep-alive Date: Tue, 22 Apr 2014 16:36:00 GMT Transfer-Encoding: chunked Server: nginx Vary: Accept-Encoding X-Frame-Options: DENY Content-Type: application/json {"code":500,"error":"Failed to render CSS stylesheet.","file":"/assets/packages/app/shared/css/","message":"ENOENT, open '/srv/www/respondly/releases/20140421220734/marketing_bundle/programs/server/assets/packages/app/shared/css/"}