Multiple cross-site scripting (XSS) vulnerabilities in the AkoBook 3.42 and earlier component (com_akobook) for Mambo allow remote attackers to inject arbitrary web script or HTML via Javascript events in the (1) gbmail and (2) gbpage parameters in the sign function.
https://exchange.xforce.ibmcloud.com/vulnerabilities/36471
http://www.vupen.com/english/advisories/2007/3080
http://www.securityfocus.com/bid/25576
http://trew.icenetx.net/toolz/advisory-mambo-akobook-en.txt
http://securityreason.com/securityalert/3101