An Open Redirect vulnerability in EpiServer Find before 13.2.7 allows an attacker to redirect users to untrusted websites via the _t_redirect parameter in a crafted URL, such as a /find_v2/_click URL.

Episerver Ektron CMS before 9.0 SP3 Site CU 31, 9.1 before SP3 Site CU 45, or 9.2 before SP2 Site CU 22 allows remote attackers to call aspx pages via the "activateuser.aspx" page, even if a page is located under the /WorkArea/ path, which is forbidden (normally available exclusively for local admins).

XML external entity (XXE) vulnerability in Episerver 7 patch 4 and earlier allows remote attackers to read arbitrary files via a crafted DTD in an XML request involving util/xmlrpc/Handler.ashx.

Cross-site scripting (XSS) vulnerability in the Euroling SiteSeeker module 3.x before 3.4.5 for EPiServer allows remote attackers to inject arbitrary web script or HTML via unspecified vectors. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

Multiple cross-site scripting (XSS) vulnerabilities in the admin interface in EPiServer CMS through 6R2 allow remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Unspecified vulnerability in EPiServer CMS 5 and 6 through 6R2, in certain configurations using Forms Authentication, allows remote authenticated users to obtain WebAdmins access by leveraging Edit Mode privileges, a different vulnerability than CVE-2011-3416 and CVE-2011-3417.