SQL injection vulnerability in the Calendar module in eNdonesia 8.4 allows remote attackers to execute arbitrary SQL commands via the loc_id parameter in a list_events action to mod.php.
https://www.exploit-db.com/exploits/6171
https://exchange.xforce.ibmcloud.com/vulnerabilities/44115
https://euvd.enisa.europa.eu/vulnerability/EUVD-2008-3438