There is a XSS in the user login page in zzcms 2019. Users can inject js code by the referer header via user/login.php

Automated scanner template

A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.

• ZZcms - Cross-Site Scripting http/cves/2020/CVE-2020-20285.yaml

Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.