CVE-2021-34254: URL Redirection to Untrusted Site ('Open Redirect')

June 28, 2021 (updated July 2, 2021)

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

References

github.com/umbraco/Umbraco-CMS/issues/9782
nvd.nist.gov/vuln/detail/CVE-2021-34254

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