The Admin Access With Levels plugin in osCommerce 1.5.1 allows remote attackers to access files in the "admin/" directory by modifying the in_login parameter to a non-zero value.Referenceshttp://secwatch.org/advisories/1007857http://secunia.com/advisories/11473http://www.securityfocus.com/bid/10235http://www.osvdb.org/5717https://exchange.xforce.ibmcloud.com/vulnerabilities/16009