Joomla J-CruisePortal 6.0.4 contains an SQL injection vulnerability that allows authenticated attackers to execute arbitrary SQL queries by injecting malicious code through the guest_adult parameter. Attackers can send POST requests to the cruises endpoint with crafted SQL payloads in the guest_adult parameter to extract sensitive database information or manipulate database records.
https://www.vulncheck.com/advisories/joomla-j-cruiseportal-sql-injection-via-cruises
https://www.exploit-db.com/exploits/46233