---
title: "Swimburger - Blog - OWASP"
description: "Swimburger.net is a blog about .NET, cloud, web development, and whatever comes across Swimburger's plate. Swimburger.net is run by Niels Swimberghe."
canonical: "https://swimburger.net/blog/owasp"
---

[

<picture><img class="blog-post-card__image" src="/cdn-cgi/image/width=250,format=auto,quality=90,height=250,fit=cover,gravity=1x1/media/jn2ohzgd/how-to-prevent-email-html-injection-in-c-and-net.png" srcset="/cdn-cgi/image/width=250,format=auto,quality=90,height=250,fit=cover,gravity=1x1/media/jn2ohzgd/how-to-prevent-email-html-injection-in-c-and-net.png 250w, /cdn-cgi/image/width=375,format=auto,quality=90,height=375,fit=cover,gravity=1x1/media/jn2ohzgd/how-to-prevent-email-html-injection-in-c-and-net.png 375w, /cdn-cgi/image/width=500,format=auto,quality=90,height=500,fit=cover,gravity=1x1/media/jn2ohzgd/how-to-prevent-email-html-injection-in-c-and-net.png 500w" sizes="250px" width="250" height="250" alt="How to prevent Email HTML injection in C# and .NET" decoding="async" loading="lazy" style="background-color:#06033a"></picture>

## How to prevent email HTML injection in C# and .NET

4/1/2022 - .NET

Learn how bad actors can inject HTML into your emails in your C# .NET applications and how to mitigate it.



](/blog/dotnet/how-to-prevent-email-html-injection-in-csharp-and-dotnet)[

<picture><img class="blog-post-card__image" src="/cdn-cgi/image/width=250,format=auto,quality=90,height=250,fit=cover,gravity=1x0.5/media/0eklaput/don-t-let-your-users-get-pwned-via-email-html-injection-3.png" srcset="/cdn-cgi/image/width=250,format=auto,quality=90,height=250,fit=cover,gravity=1x0.5/media/0eklaput/don-t-let-your-users-get-pwned-via-email-html-injection-3.png 250w, /cdn-cgi/image/width=375,format=auto,quality=90,height=375,fit=cover,gravity=1x0.5/media/0eklaput/don-t-let-your-users-get-pwned-via-email-html-injection-3.png 375w, /cdn-cgi/image/width=500,format=auto,quality=90,height=500,fit=cover,gravity=1x0.5/media/0eklaput/don-t-let-your-users-get-pwned-via-email-html-injection-3.png 500w" sizes="250px" width="250" height="250" alt="Hacker in front of a computer running applications in multiple terminals" decoding="async" loading="lazy" style="background-color:#06033a"></picture>

## Don't let your users get pwned via email HTML injection

3/23/2022 - Web

Learn how to prevent HTML injection into your emails and protect your users from bad actors!



](/blog/web/dont-let-your-users-get-pwned-via-email-html-injection)