SQL injection vulnerability in whineatnews.pl in Bugzilla 2.17 through 2.18.4 and 2.20 allows remote authenticated users with administrative privileges to execute arbitrary SQL commands via the whinedays parameter, as accessible from editparams.cgi.
https://exchange.xforce.ibmcloud.com/vulnerabilities/24819
http://www.vupen.com/english/advisories/2006/0692
http://www.securityfocus.com/bid/16738
http://www.securityfocus.com/archive/1/425584/100/0/threaded