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GHSA-xxc6-35r7-796w

Possible injection of HTML into user invite mails

Quick fix

GHSA-xxc6-35r7-796w — Umbraco.CMS: upgrade to the fixed version with the command below.

dotnet add package Umbraco.CMS --version 8.18.10

Details

#### Impact 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.

#### Explanation of the vulnerability A person with access to the backoffice and the "users" section could send a user invite and inject HTML code into the invite message.

Are you affected?

Enter the version of the package you're using.

Affected packages

NuGet/Umbraco.CMS
Introduced in: 8.0.0Fixed in: 8.18.10
Fixdotnet add package Umbraco.CMS --version 8.18.10
NuGet/Umbraco.CMS
Introduced in: 9.0.0Fixed in: 10.7.0
Fixdotnet add package Umbraco.CMS --version 10.7.0
NuGet/Umbraco.CMS
Introduced in: 11.0.0Fixed in: 12.1.0
Fixdotnet add package Umbraco.CMS --version 12.1.0

References