The Page_Load
function in Umbraco.Web/umbraco.presentation/umbraco/dashboard/FeedProxy.aspx.cs in Umbraco before 7.4.0 allows remote attackers to conduct server-side request forgery (SSRF) attacks via the url parameter.
www.openwall.com/lists/oss-security/2016/02/16/10
www.openwall.com/lists/oss-security/2016/02/17/1
www.openwall.com/lists/oss-security/2016/02/17/5
www.openwall.com/lists/oss-security/2016/02/18/8
github.com/umbraco/Umbraco-CMS/commit/924a016ffe7ae7ea6d516c07a7852f0095eddbce
nvd.nist.gov/vuln/detail/CVE-2015-8813
web.archive.org/web/20230608160721/https://issues.umbraco.org/issue/U4-7457