openSIS Community Edition version 7.3 is vulnerable to SQL injection via the USERNAME parameter of index.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.

• OpenSIS 7.3 - SQL Injection http/cves/2020/CVE-2020-6637.yaml

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