SilverStripe CMS before 3.6.1 has XSS via an SVG document that is mishandled by (1) the Insert Media option in the content editor or (2) an admin/assets/add pathname, as demonstrated by the admin/pages/edit/EditorToolbar/MediaForm/field/AssetUploadField/upload URI, aka issue SS-2017-017.

There is XSS in SilverStripe CMS before 3.4.4 and 3.5.x before 3.5.2. The attack vector is a page name. An example payload is a crafted JavaScript event handler within a malformed SVG element.

Multiple cross-site scripting (XSS) vulnerabilities in SilverStripe CMS & Framework before 3.1.16 and 3.2.x before 3.2.1 allow remote attackers to inject arbitrary web script or HTML via the (1) Locale or (2) FailedLoginCount parameter to admin/security/EditForm/field/Members/item/new/ItemEditForm.

Open redirect vulnerability in SilverStripe CMS & Framework 3.1.13 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the returnURL parameter to dev/build.

Multiple cross-site scripting (XSS) vulnerabilities in SilverStripe CMS & Framework 3.1.13 allow remote attackers to inject arbitrary web script or HTML via the (1) admin_username or (2) admin_password parameter to install.php.

Cross-site scripting (XSS) vulnerability in the process function in SSViewer.php in SilverStripe before 2.3.13 and 2.4.x before 2.4.6 allows remote attackers to inject arbitrary web script or HTML via the QUERY_STRING to template placeholders, as demonstrated by a request to (1) admin/reports/, (2) admin/comments/, (3) admin/, (4) admin/show/, (5) admin/assets/, and (6) admin/security/.

security/MemberLoginForm.php in SilverStripe 3.0.3 supports login using a GET request, which makes it easier for remote attackers to conduct phishing attacks without detection by the victim.

security/MemberLoginForm.php in SilverStripe 3.0.3 supports credentials in a GET request, which allows remote or local attackers to obtain sensitive information by reading web-server access logs, web-server Referer logs, or the browser history, a similar vulnerability to CVE-2013-2653.

Multiple cross-site scripting (XSS) vulnerabilities in the SilverStripe e-commerce module 3.0 for SilverStripe CMS allow remote attackers to inject arbitrary web script or HTML via the (1) FirstName, (2) Surname, or (3) Email parameter to code/forms/OrderFormAddress.php; or the (4) FirstName or (5) Surname parameter to code/forms/ShopAccountForm.php.

core/model/MySQLDatabase.php in SilverStripe 2.4.x before 2.4.4, when the site is running in "live mode," allows remote attackers to obtain the SQL queries for a page via the showqueries and ajax parameters.