Multiple cross-site scripting (XSS) vulnerabilities in Kentico CMS 8.2 allow remote attackers to inject arbitrary web script or HTML via a (1) parameter name to CMSModules/AdminControls/Pages/UIPage.aspx or the (2) CMSBodyClass cookie variable to the default URI.

Open redirect vulnerability in CMSPages/GetDocLink.ashx in Kentico CMS 8.2 through 8.2.41 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the link parameter.

Kentico 9.0 before 9.0.51 and 10.0 before 10.0.48 allows remote attackers to obtain Global Administrator access by visiting CMSInstall/install.aspx and then navigating to the CMS Administration Dashboard.

Kentico CMS before 11.0.45 allows unrestricted upload of a file with a dangerous type.

Kentico 9.0 through 11.0 has a stack-based buffer overflow via the SqlName, SqlPswd, Database, UserName, or Password field in a SilentInstall XML document. NOTE: the vendor disputes this issue because neither a buffer overflow nor a crash can be reproduced; also, reading XML documents is implemented exclusively with managed code within the Microsoft .NET Framework

Kentico 10 before 10.0.50 and 11 before 11.0.3 has XSS in which a crafted URL results in improper construction of a system page.

Kentico 10 before 10.0.50 and 11 before 11.0.3 has SQL injection in the administration interface.

Arbitrary code execution vulnerability in Kentico 9 through 11 allows remote authenticated users to execute arbitrary operating system commands in a dynamic .NET code evaluation context via C# code in a "Pages -> Edit -> Template -> Edit template properties -> Layout" box. NOTE: the vendor has responded that there is intended functionality for authorized users to edit and update ascx code layout

Reflected Cross-Site Scripting vulnerability in "Design" on "Edit device layout" in Kentico 9 through 11 allows remote attackers to execute malicious JavaScript via a malicious devicename parameter in a link that is entered via the "Pages -> Edit template properties -> Device Layouts -> Create device layout (and edit created device layout) -> Design" screens. NOTE: the vendor has responded that there is intended functionality for authorized users to edit and update ascx code layout

An issue was discovered in Kentico 12.0.x before 12.0.15, 11.0.x before 11.0.48, 10.0.x before 10.0.52, and 9.x versions. Due to a failure to validate security headers, it was possible for a specially crafted request to the staging service to bypass the initial authentication and proceed to deserialize user-controlled .NET object input. This deserialization then led to unauthenticated remote code execution on the server where the Kentico instance was hosted.

Kentico 11 through 12 lets attackers upload and explore files without authentication via the cmsmodules/medialibrary/formcontrols/liveselectors/insertimageormedia/tabs_media.aspx URI. NOTE: The vendor disputes the report because the researcher did not configure the media library permissions correctly. The vendor states that by default all users can read/modify/upload files, and it’s up to the administrator to decide who should have access to the media library and set the permissions accordingly. See the vendor documentation in the references for more information

Kentico before 12.0.50 allows file uploads in which the Content-Type header is inconsistent with the file extension, leading to XSS.

An information disclosure vulnerability in Kentico Xperience allows attackers to leak virtual context URLs via the HTTP Referer header when users interact with third-party domains. Sensitive virtual context information can be exposed to external domains through page builder interactions and link/image loading.

An unrestricted file upload vulnerability in Kentico Xperience allows authenticated users with 'Read data' permissions to upload arbitrary file types via MVC form file uploader components. Attackers can manipulate file names and upload potentially malicious files to the system, enabling unauthorized file uploads.

An information disclosure vulnerability in Kentico Xperience allows authenticated users to view sensitive system objects through the live site widget properties dialog. Attackers can exploit this vulnerability to access unauthorized system information without proper access controls.

Kentico v10.0.42 allows Global Administrators to read the cleartext SMTP Password by navigating to the SMTP configuration page. NOTE: the vendor considers this a best-practice violation but not a vulnerability. The vendor plans to fix it at a future time

Cross Site Scripting (XSS) vulnerability in Kentico before 12.0.75.

A stored cross-site scripting vulnerability in Kentico Xperience allows attackers to inject malicious scripts via error messages containing specially crafted object names. This allows malicious scripts to execute in users' browsers when administrators view error messages in the administration interface.

An access control bypass vulnerability in Kentico Xperience allows administrators to modify global administrator user privileges via unauthorized requests. Attackers could potentially compromise global administrator accounts and invalidate security-sensitive macros by manipulating user privilege levels.

A stored cross-site scripting vulnerability in Kentico Xperience allows attackers to upload files with spoofed Content-Type that do not match file extensions. Attackers can exploit this vulnerability by uploading malicious files with manipulated MIME types, allowing malicious scripts to execute in users' browsers.

The Blog module in Kentico CMS 5.5 R2 build 5.5.3996 allows SQL injection via the tagname parameter.

The Kentico Xperience CMS version 13.0 – 13.0.43 is vulnerable to a persistent Cross-Site Scripting (XSS) vulnerability (also known as Stored or Second-Order XSS). Persistent XSS vulnerabilities occur when the application stores and retrieves client supplied data without proper handling of dangerous content. This type of XSS vulnerability is exploited by submitting malicious script content to the application which is then retrieved and executed by other application users. The attacker could exploit this to conduct a range of attacks against users of the affected application such as session hijacking, account take over and accessing sensitive data.

Kentico Xperience 13.0.44 allows XSS via an XML document to the Media Libraries subsystem.

A SQL injection vulnerability in Kentico Xperience allows authenticated editors to inject malicious SQL queries via online marketing macro method parameters. This enables unauthorized database access and potential data manipulation by exploiting macro method input validation weaknesses.

A cryptography vulnerability in Kentico Xperience allows attackers to potentially manipulate URL hash values through existing hashing mechanisms. The hotfix introduces an additional security layer to prevent hash value reuse and potential exploitation.

Kentico CMS before 13.0.66 has an Insecure Direct Object Reference vulnerability. It allows an attacker with user management rights (default is Administrator) to export the user options of any user, even ones with higher privileges (like Global Administrators) than the current user. The exported XML contains every option of the exported user (even the hashed password).

In Kentico before 13.0.66, attackers can achieve Denial of Service via a crafted request to the GetResource handler.

A stored cross-site scripting vulnerability in Kentico Xperience allows administration users to inject malicious scripts via email marketing templates. Attackers can exploit this vulnerability to execute malicious scripts that could compromise user browsers and steal sensitive information.

A reflected cross-site scripting vulnerability in Kentico Xperience allows attackers to inject malicious scripts via administration input fields in the Rich text editor component. Attackers can exploit this vulnerability to execute arbitrary scripts in users' browsers.

A CRLF injection vulnerability in Kentico Xperience allows attackers to manipulate URL query string redirects via improper encoding in the routing engine. This could enable header injection and potentially facilitate further web application attacks.

A stored cross-site scripting vulnerability in Kentico Xperience allows attackers to inject malicious scripts via form redirect URL configuration. This allows malicious scripts to execute in users' browsers through unvalidated form configuration settings.

An HTML injection vulnerability in Kentico Xperience allows attackers to inject malicious HTML values into form submission emails via unencoded form fields. Unencoded form values could enable HTML content execution in recipient email clients, potentially compromising email security.

A stored cross-site scripting vulnerability in Kentico Xperience allows authenticated users to inject malicious scripts via XML file uploads as page attachments or metafiles. Attackers can upload malicious XML files that enable stored XSS, allowing malicious scripts to execute in users' browsers.

An information disclosure vulnerability in Kentico Xperience allows attackers to view sensitive stack trace details via Portal Engine form control error messages. Detailed error messages can expose internal system information and potentially reveal implementation details to unauthorized users.

A reflected cross-site scripting vulnerability in Kentico Xperience allows authenticated users to inject malicious scripts in the administration interface. Attackers can exploit this vulnerability to execute arbitrary scripts within the administrative context.

A stored cross-site scripting vulnerability in Kentico Xperience allows global administrators to inject malicious payloads via the Localization application. Attackers can execute scripts that could affect multiple parts of the administration interface.

A reflected cross-site scripting vulnerability in Kentico Xperience allows authenticated users to inject malicious scripts via page preview URLs. Attackers can exploit this vulnerability to execute arbitrary scripts in users' browsers during page preview interactions.

A denial of service vulnerability in Kentico Xperience allows attackers to launch DoS attacks via specially crafted requests to the GetResource handler. Improper input validation enables remote attackers to potentially disrupt service availability through maliciously constructed requests.

A cookie security configuration vulnerability in Kentico Xperience allows attackers to bypass SSL requirements when setting administration cookies via web.config. The vulnerability affects .NET Framework projects by incorrectly handling the 'requireSSL' attribute, potentially compromising session security and authentication state.

A stored cross-site scripting vulnerability in Kentico Xperience allows attackers to inject malicious scripts via the rich text editor component for page and form builders. Attackers can exploit this vulnerability by entering malicious URIs, potentially allowing malicious scripts to execute in users' browsers.

A reflected cross-site scripting vulnerability in Kentico Xperience allows attackers to inject malicious scripts via the Pages dashboard widget configuration dialog. Attackers can exploit this vulnerability to execute malicious scripts in administrative users' browsers.

An information disclosure vulnerability in Kentico Xperience allows public users to access sensitive administration interface hostname details during authentication. Attackers can retrieve confidential hostname configuration information through a public endpoint, potentially exposing internal network details.

A stored cross-site scripting vulnerability in Kentico Xperience allows attackers to inject malicious scripts via form validation rule configuration. Attackers can exploit this vulnerability to execute malicious scripts that will run in users' browsers.

A stored cross-site scripting vulnerability in Kentico Xperience allows attackers to inject malicious code into shipping options configuration. This could lead to potential theft of sensitive data by executing malicious scripts in users' browsers.

A stored cross-site scripting vulnerability in Kentico Xperience allows attackers to inject malicious scripts via the Checkbox form component. This allows malicious scripts to execute in users' browsers by exploiting HTML support in the form builder.

An authentication bypass vulnerability in Kentico Xperience allows authentication bypass via the Staging Sync Server password handling of empty SHA1 usernames in digest authentication. Authentication bypass allows an attacker to control administrative objects.This issue affects Xperience through 13.0.172.

An authentication bypass vulnerability in Kentico Xperience allows authentication bypass via the Staging Sync Server component password handling for the server defined None type. Authentication bypass allows an attacker to control administrative objects.This issue affects Xperience through 13.0.178.

The Kentico Xperience application does not fully validate or filter files uploaded via the multiple-file upload functionality, which allows for stored XSS.This issue affects Kentico Xperience through 13.0.178.

An authenticated remote code execution in Kentico Xperience allows authenticated users Staging Sync Server to upload arbitrary data to path relative locations. This results in path traversal and arbitrary file upload, including content that can be executed server side leading to remote code execution.This issue affects Kentico Xperience through 13.0.178.

An unsafe reflection vulnerability in Kentico Xperience allows an unauthenticated attacker to kill the current process, leading to a Denial-of-Service condition. This issue affects Xperience: through 13.0.180.

Kentico Xperience 13 is vulnerable to a stored cross-site scripting attack via a form component, allowing an attacker to hijack a victim user’s session and perform actions in their security context.