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GHSA-8qp8-9rpw-j46c

SMTP misconfiguration leading to "Forgot Password" exploit that leaks registered user email.

Source: GitHub Advisory Database (reviewed) Low CVE-2023-49274

Packages

EcosystemPackageAffectedFixed in
NuGet Umbraco.CMS >= 8.0.0, < 8.18.10 8.18.10
NuGet Umbraco.CMS >= 9.0.0, < 10.8.1 10.8.1
NuGet Umbraco.CMS >= 11.0.0, < 12.3.4 12.3.4

Details

As written in the advisory (Markdown source, shown as plain text).

#### Impact A user enumeration attack is possible when SMTP is not setup correctly, but reset password is enabled #### Explanation of the vulnerability Two different error messages was shown, based on if the user exists or not when using the forgot password functionality, when the SMTP was configured but do not response.

References

External links from the advisory. They lead to third-party sites.