Cross-site scripting (XSS) vulnerability in the Currency Exchange module before 6.x-1.2 for Drupal allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, related to watchdog logging.
https://exchange.xforce.ibmcloud.com/vulnerabilities/55453
http://www.vupen.com/english/advisories/2010/0063
http://www.securityfocus.com/bid/37649