CVE-2005-3829
index.php in ActiveCampaign KnowledgeBuilder 2.4 and earlier allows remote attackers to cause a denial of service (CPU consumption) via an invalid category parameter, which causes a large number of SQL queries to be processed.
Date published : 2005-11-26
http://pridels0.blogspot.com/2005/11/activecampaign-knowledgebuilder-vuln.html