SQL injection vulnerability in index.php in the Lykos Reviews (lykos_reviews) 1.00 module for Xoops allows remote attackers to execute arbitrary SQL commands via the uid parameter in a u action.
https://www.exploit-db.com/exploits/3618
https://exchange.xforce.ibmcloud.com/vulnerabilities/33365
http://www.vupen.com/english/advisories/2007/1189