Provide references for CVE-2021-26601.
Where can I find more information about CVE-2021-26601?
References are available at: https://hackerone.com/reports/1081878, http://packetstormsecurity.com/files/166402/ImpressCMS-1.4.2-Path-Traversal.html, http://seclists.org/fulldisclosure/2022/Mar/44, http://karmainsecurity.com/KIS-2022-02.