CVE-2023-48313

Umbraco is an ASP.NET content management system CMS. Starting in 10.0.0 and prior to versions 10.8.1 and 12.3.4, Umbraco contains a cross-site scripting XSS vulnerability enabling attackers to bring malicious content into a website or application. Versions 10.8.1 and 12.3.4 contain a patch for th...

CVE-2023-49273

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 12.3.4, users with low privileges Editor, etc. are able to access some unintended endpoints. Versions 8.18.10, 10.8.1, and 12.3.4 contain a patch for this issue...

CVE-2023-38694

Umbraco is an ASP.NET content management system CMS. Starting in version 8.0.0 and prior to versions 8.18.10, 10.7.0, and 12.1.0, a user with access to a specific part of the backoffice is able to inject HTML code into a form where it is not intended. Versions 8.18.10, 10.7.0, and 12.1.0 contain ...

CVE-2021-37334

Umbraco Forms version 4.0.0 up to and including 8.7.5 and below are vulnerable to a security flaw that could lead to a remote code execution attack and/or arbitrary file deletion. A vulnerability occurs because validation of the file extension is performed after the file has been stored in a...

CVE-2021-34254

Umbraco CMS before 7.15.7 is vulnerable to Open Redirection due to insufficient url sanitization on booting.aspx...

CVE-2020-5809

A stored XSS vulnerability exists in Umbraco CMS = 8.9.1 or current. An authenticated user can inject arbitrary JavaScript code into iframes when editing content using the TinyMCE rich-text editor, as TinyMCE is configured to allow iframes by default in Umbraco CMS...

CVE-2020-5810

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...

CVE-2020-29454

Editors/LogViewerController.cs in Umbraco through 8.9.1 allows a user to visit a logviewer endpoint even if they lack Applications.Settings access...

CVE-2020-5811

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-2019-13957

In Umbraco 7.3.8, there is SQL Injection in the backoffice/PageWApprove/PageWApproveApi/GetInpectSearch method via the nodeName parameter...

CVE-2019-25137

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-2013-0741

Cross-site scripting XSS vulnerability in imagegen.ashx in Percipient Studios ImageGen before 2.9.0 for Umbraco CMS allows remote attackers to inject arbitrary web script or HTML via the font parameter...

CVE-2025-47280

Umbraco Forms is a form builder that integrates with the Umbraco content management system. Starting in the 7.x branch and prior to versions 13.4.2 and 15.1.2, the 'Send email' workflow does not HTML encode the user-provided field values in the sent email message, making any form with this workfl...

HTML Injection

Umbraco Forms is vulnerable to HTML Injection. The vulnerability is due to lack of HTML encoding due to user-provided form values being directly embedded into emails without proper sanitization, enabling potential spoofing or bypass of email security systems...

Umbraco.Forms has HTML injection vulnerability in 'Send email' workflow

Impact The 'Send email' workflow does not HTML encode the user-provided field values in the sent email message, making any form with this workflow configured vulnerable, as it allows sending the message from a trusted system and address potentially bypassing spam and email client security systems...

GHSA-2QRJ-G9HQ-CHPH Umbraco.Forms has HTML injection vulnerability in 'Send email' workflow

Impact The 'Send email' workflow does not HTML encode the user-provided field values in the sent email message, making any form with this workflow configured vulnerable, as it allows sending the message from a trusted system and address potentially bypassing spam and email client security systems...

CVE-2025-47280

Umbraco Forms is a form builder that integrates with the Umbraco content management system. Starting in the 7.x branch and prior to versions 13.4.2 and 15.1.2, the 'Send email' workflow does not HTML encode the user-provided field values in the sent email message, making any form with this workfl...

CVE-2025-47280

Umbrao Forms HTML injection : The Send email workflow in Umbraco Forms (versions 7.x through just before 13.4.2 and 15.1.2) does not HTML-encode user-provided field values, allowing potential email spoofing or bypass of security checks. Affected forms can patch by updating to 13.4.2 or 15.1.2, or...

CVE-2025-47280 Umbraco.Forms has HTML injection vulnerability in 'Send email' workflow

Umbraco Forms is a form builder that integrates with the Umbraco content management system. Starting in the 7.x branch and prior to versions 13.4.2 and 15.1.2, the 'Send email' workflow does not HTML encode the user-provided field values in the sent email message, making any form with this workfl...

CVE-2025-47280 Umbraco.Forms has HTML injection vulnerability in 'Send email' workflow

Umbraco Forms is a form builder that integrates with the Umbraco content management system. Starting in the 7.x branch and prior to versions 13.4.2 and 15.1.2, the 'Send email' workflow does not HTML encode the user-provided field values in the sent email message, making any form with this workfl...