CVE-2022-22691: Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

January 18, 2022 (updated January 26, 2022)

The password reset component deployed within Umbraco uses the hostname supplied within the request host header when building a password reset URL.See the AppCheck advisory for further information and associated caveats.

References

appcheck-ng.com/umbraco-applicationurl-overwrite-persistent-password-reset-poison-cve-2022-22690-cve-2022-22691/
nvd.nist.gov/vuln/detail/CVE-2022-22691

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