Multiple cross-site scripting (XSS) vulnerabilities in XOOPS 0.94 and 1.0 allow remote attackers to execute arbitrary web script and HTML via the (1) terme parameter to search.php or (2) letter parameter to letter.php.
https://exchange.xforce.ibmcloud.com/vulnerabilities/17154
https://exchange.xforce.ibmcloud.com/vulnerabilities/17152
http://secunia.com/advisories/12424