Umbraco CMS
by Umbraco
Source repositories
CVEs (61)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2012-10054 | Cri | 0.67 | 9.8 | 0.03 | Aug 13, 2025 | Umbraco CMS versions prior to 4.7.1 are vulnerable to unauthenticated remote code execution via the codeEditorSave.asmx SOAP endpoint, which exposes a SaveDLRScript operation that permits arbitrary file uploads without authentication. By exploiting a path traversal flaw in the… | ||
| CVE-2019-13957 | Cri | 0.64 | 9.8 | 0.01 | Oct 2, 2019 | In Umbraco 7.3.8, there is SQL Injection in the backoffice/PageWApprove/PageWApproveApi/GetInpectSearch method via the nodeName parameter. | ||
| CVE-2012-1301 | Cri | 0.64 | 9.8 | 0.03 | Apr 13, 2017 | The FeedProxy.aspx script in Umbraco 4.7.0 allows remote attackers to proxy requests on their behalf via the "url" parameter. | ||
| CVE-2025-67288 | Cri | 0.58 | 10.0 | 0.01 | Dec 22, 2025 | An arbitrary file upload vulnerability in Umbraco CMS v16.3.3 allows attackers to execute arbitrary code by uploading a crafted PDF file. NOTE: this is disputed by the Supplier because the responsibility for file validation (as shown in the documentation) belongs to the system… | ||
| CVE-2020-9471 | Hig | 0.57 | 8.8 | 0.02 | Mar 16, 2020 | Umbraco Cloud 8.5.3 allows an authenticated file upload (and consequently Remote Code Execution) via the Install Packages functionality. | ||
| CVE-2014-10074 | Cri | 0.57 | 9.8 | 0.03 | Aug 27, 2018 | Umbraco before 7.2.0 has a remote PHP code execution vulnerability because Umbraco.Web.UI/config/umbracoSettings.Release.config does not block the upload of .php files. | ||
| CVE-2022-22690 | Hig | 0.56 | 8.6 | 0.01 | Jan 18, 2022 | Within the Umbraco CMS, a configuration element named "UmbracoApplicationUrl" (or just "ApplicationUrl") is used whenever application code needs to build a URL pointing back to the site. For example, when a user resets their password and the application builds a password reset… | ||
| CVE-2025-32017 | Hig | 0.50 | 8.8 | 0.01 | Apr 8, 2025 | Umbraco is a free and open source .NET content management system. Authenticated users to the Umbraco backoffice are able to craft management API request that exploit a path traversal vulnerability to upload files into a incorrect location. The issue affects Umbraco 14+ and is… | ||
| CVE-2023-49089 | Hig | 0.50 | 7.7 | 0.01 | Dec 12, 2023 | Umbraco is an ASP.NET content management system (CMS). Starting in version 8.0.0 and prior to versions 8.18.10, 10.8.1, and 12.3.0, Backoffice users with permissions to create packages can use path traversal and thereby write outside of the expected location. Versions 8.18.10,… | ||
| CVE-2015-8814 | Hig | 0.50 | 8.8 | 0.01 | Mar 3, 2017 | Umbraco before 7.4.0 allows remote attackers to bypass anti-forgery security measures and conduct cross-site request forgery (CSRF) attacks as demonstrated by editing user account information in the templates.asmx.cs file. | ||
| CVE-2026-31834 | Hig | 0.47 | 7.2 | 0.00 | Mar 10, 2026 | Umbraco is an ASP.NET CMS. From 15.3.1 to before 16.5.1 and 17.2.2, A privilege escalation vulnerability has been identified in Umbraco CMS. Under certain conditions, authenticated backoffice users with permission to manage users, may be able to elevate their privileges due to… | ||
| CVE-2019-25137 | Hig | 0.47 | 7.2 | 0.04 | May 18, 2023 | Umbraco CMS 4.11.8 through 7.15.10, and 7.12.4, allows Remote Code Execution by authenticated administrators via msxsl:script in an xsltSelection to developer/Xslt/xsltVisualize.aspx. | ||
| CVE-2015-8813 | Hig | 0.47 | 8.2 | 0.12 | Mar 3, 2017 | 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. | ||
| CVE-2020-5811 | Med | 0.46 | 6.5 | 0.09 | Dec 30, 2020 | An authenticated path traversal vulnerability exists during package installation in Umbraco CMS <= 8.9.1 or current, which could result in arbitrary files being written outside of the site home and expected paths when installing an Umbraco package. | ||
| CVE-2026-31833 | Med | 0.44 | 6.7 | 0.00 | Mar 10, 2026 | Umbraco is an ASP.NET CMS. From 16.2.0 to before 16.5.1 and 17.2.2, An authenticated backoffice user with access to Settings can inject malicious HTML into property type descriptions. Due to an overly permissive attributeNameCheck configuration (/.+/) in the UFM DOMPurify… | ||
| CVE-2022-22691 | Med | 0.44 | 6.8 | 0.01 | Jan 18, 2022 | The password reset component deployed within Umbraco uses the hostname supplied within the request host header when building a password reset URL. It may be possible to manipulate the URL sent to Umbraco users when so that it points to the attackers server thereby disclosing the… | ||
| CVE-2023-37267 | Hig | 0.42 | 7.5 | 0.01 | Jul 13, 2023 | Umbraco is a ASP.NET CMS. Under rare conditions a restart of Umbraco can allow unauthorized users access to admin-level permissions. This vulnerability was patched in versions 10.6.1, 11.4.2 and 12.0.1. | ||
| CVE-2020-9472 | Med | 0.42 | 6.5 | 0.02 | Mar 16, 2020 | Umbraco CMS 8.5.3 allows an authenticated file upload (and consequently Remote Code Execution) via the Install Package functionality. | ||
| CVE-2021-34254 | Med | 0.40 | 6.1 | 0.01 | Jun 28, 2021 | Umbraco CMS before 7.15.7 is vulnerable to Open Redirection due to insufficient url sanitization on booting.aspx. | ||
| CVE-2020-5810 | Med | 0.40 | 5.4 | 0.62 | Dec 30, 2020 | A stored XSS vulnerability exists in Umbraco CMS <= 8.9.1 or current. An authenticated user authorized to upload media can upload a malicious .svg file which act as a stored XSS payload. |
- risk 0.67cvss 9.8epss 0.03
Umbraco CMS versions prior to 4.7.1 are vulnerable to unauthenticated remote code execution via the codeEditorSave.asmx SOAP endpoint, which exposes a SaveDLRScript operation that permits arbitrary file uploads without authentication. By exploiting a path traversal flaw in the…
- risk 0.64cvss 9.8epss 0.01
In Umbraco 7.3.8, there is SQL Injection in the backoffice/PageWApprove/PageWApproveApi/GetInpectSearch method via the nodeName parameter.
- risk 0.64cvss 9.8epss 0.03
The FeedProxy.aspx script in Umbraco 4.7.0 allows remote attackers to proxy requests on their behalf via the "url" parameter.
- risk 0.58cvss 10.0epss 0.01
An arbitrary file upload vulnerability in Umbraco CMS v16.3.3 allows attackers to execute arbitrary code by uploading a crafted PDF file. NOTE: this is disputed by the Supplier because the responsibility for file validation (as shown in the documentation) belongs to the system…
- risk 0.57cvss 8.8epss 0.02
Umbraco Cloud 8.5.3 allows an authenticated file upload (and consequently Remote Code Execution) via the Install Packages functionality.
- risk 0.57cvss 9.8epss 0.03
Umbraco before 7.2.0 has a remote PHP code execution vulnerability because Umbraco.Web.UI/config/umbracoSettings.Release.config does not block the upload of .php files.
- risk 0.56cvss 8.6epss 0.01
Within the Umbraco CMS, a configuration element named "UmbracoApplicationUrl" (or just "ApplicationUrl") is used whenever application code needs to build a URL pointing back to the site. For example, when a user resets their password and the application builds a password reset…
- risk 0.50cvss 8.8epss 0.01
Umbraco is a free and open source .NET content management system. Authenticated users to the Umbraco backoffice are able to craft management API request that exploit a path traversal vulnerability to upload files into a incorrect location. The issue affects Umbraco 14+ and is…
- risk 0.50cvss 7.7epss 0.01
Umbraco is an ASP.NET content management system (CMS). Starting in version 8.0.0 and prior to versions 8.18.10, 10.8.1, and 12.3.0, Backoffice users with permissions to create packages can use path traversal and thereby write outside of the expected location. Versions 8.18.10,…
- risk 0.50cvss 8.8epss 0.01
Umbraco before 7.4.0 allows remote attackers to bypass anti-forgery security measures and conduct cross-site request forgery (CSRF) attacks as demonstrated by editing user account information in the templates.asmx.cs file.
- risk 0.47cvss 7.2epss 0.00
Umbraco is an ASP.NET CMS. From 15.3.1 to before 16.5.1 and 17.2.2, A privilege escalation vulnerability has been identified in Umbraco CMS. Under certain conditions, authenticated backoffice users with permission to manage users, may be able to elevate their privileges due to…
- risk 0.47cvss 7.2epss 0.04
Umbraco CMS 4.11.8 through 7.15.10, and 7.12.4, allows Remote Code Execution by authenticated administrators via msxsl:script in an xsltSelection to developer/Xslt/xsltVisualize.aspx.
- risk 0.47cvss 8.2epss 0.12
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.
- risk 0.46cvss 6.5epss 0.09
An authenticated path traversal vulnerability exists during package installation in Umbraco CMS <= 8.9.1 or current, which could result in arbitrary files being written outside of the site home and expected paths when installing an Umbraco package.
- risk 0.44cvss 6.7epss 0.00
Umbraco is an ASP.NET CMS. From 16.2.0 to before 16.5.1 and 17.2.2, An authenticated backoffice user with access to Settings can inject malicious HTML into property type descriptions. Due to an overly permissive attributeNameCheck configuration (/.+/) in the UFM DOMPurify…
- risk 0.44cvss 6.8epss 0.01
The password reset component deployed within Umbraco uses the hostname supplied within the request host header when building a password reset URL. It may be possible to manipulate the URL sent to Umbraco users when so that it points to the attackers server thereby disclosing the…
- risk 0.42cvss 7.5epss 0.01
Umbraco is a ASP.NET CMS. Under rare conditions a restart of Umbraco can allow unauthorized users access to admin-level permissions. This vulnerability was patched in versions 10.6.1, 11.4.2 and 12.0.1.
- risk 0.42cvss 6.5epss 0.02
Umbraco CMS 8.5.3 allows an authenticated file upload (and consequently Remote Code Execution) via the Install Package functionality.
- risk 0.40cvss 6.1epss 0.01
Umbraco CMS before 7.15.7 is vulnerable to Open Redirection due to insufficient url sanitization on booting.aspx.
- risk 0.40cvss 5.4epss 0.62
A stored XSS vulnerability exists in Umbraco CMS <= 8.9.1 or current. An authenticated user authorized to upload media can upload a malicious .svg file which act as a stored XSS payload.
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