Cross-site scripting (XSS) vulnerability in Joomla! 1.5.x through 1.5.10 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors related to database output and the frontend administrative panel.
https://exchange.xforce.ibmcloud.com/vulnerabilities/50923
http://www.vupen.com/english/advisories/2009/1497
http://secunia.com/advisories/35278
http://developer.joomla.org/security/news/297-20090602-core-frontend-xss.html