SQL injection vulnerability in the Simple Shop Galore (com_simpleshop) component 3.4 and earlier for Joomla! allows remote attackers to execute arbitrary SQL commands via the catid parameter in a browse action to index.php.
https://www.exploit-db.com/exploits/5833
https://www.exploit-db.com/exploits/5743
https://exchange.xforce.ibmcloud.com/vulnerabilities/42871