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CVE-2021-22881

Description

The Host Authorization middleware in Action Pack before 6.1.2.1, 6.0.3.5 suffers from an open redirect vulnerability. Specially crafted `Host` headers in combination with certain "allowed host" formats can cause the Host Authorization middleware in Action Pack to redirect users to a malicious website. Impacted applications will have allowed hosts with a leading dot. When an allowed host contains a leading dot, a specially crafted `Host` header can be used to redirect to a malicious website.

POC

Reference

No PoCs from references.

Github

- https://github.com/20142995/nuclei-templates

- https://github.com/ARPSyndicate/cvemon

- https://github.com/JoshMorrison99/my-nuceli-templates

- https://github.com/amakhu/cdp

- https://github.com/cyb3r-w0lf/nuclei-template-collection