Cross-site scripting (XSS) vulnerability in mod_lettermansubscribe.php in the Letterman Subscriber (mod_letterman) before 1.2.5 module for Joomla! allows remote attackers to inject arbitrary web script or HTML via the Itemid parameter.Referenceshttps://exchange.xforce.ibmcloud.com/vulnerabilities/34870http://www.securityfocus.com/bid/24479http://www.vupen.com/english/advisories/2007/2215http://osvdb.org/36376http://secunia.com/advisories/25670http://www.thejfactory.com/http://marc.info/?l=full-disclosure&m=118184411720509&w=2