Cross-site scripting (XSS) vulnerability in jax_guestbook.php in Jax Guestbook 3.1, 3.31, and 3.50 allows remote attackers to inject arbitrary web script or HTML via the page parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/26448
http://www.vupen.com/english/advisories/2006/1800
http://secunia.com/advisories/20110
http://secunia.com/advisories/19843
http://secunia.com/advisories/16337
http://lostmon.blogspot.com/2005/08/jax-php-scripts-multiple.html