title: Authentication bypass via repeated parameters
description: A flaw, similar to to CVE-2016-9646, exists in ikiwiki before 3.20170111, in the passwordauth plugin's use of CGI::FormBuilder, allowing an attacker to bypass authentication via repeated parameters.
problem types: authentication bypass
affected:
{
product: ikiwiki
vendor: ikiwiki
versions:
status: affected, version: before 3.20170111
}