Cross-site scripting (XSS) vulnerability in search.php for PhpBB 2.0.4 and 2.0.9 allows remote attackers to inject arbitrary HTMl or web script via the search_author parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/16758
https://euvd.enisa.europa.eu/vulnerability/EUVD-2004-2047
http://www.securityfocus.com/bid/10753