In this post we take a closer look at CVE-2018-19559. The exploits for CVE-2018-19559 are also listed here, this will allow you to quickly continue with your objective.
Common Vulnerabilities and Exposures is a rundown of sections-each containing a recognizable proof number, a portrayal, and no less than one open reference-for freely known cybersecurity vulnerabilities. CVE Entries are utilized in various cybersecurity items and administrations from around the globe.
CuppaCMS before 2018-11-12 has SQL Injection in administrator/classes/ajax/functions.php via the reference_id parameter.
The sources above should help you forward.