This plugin finds usernames in WordPress installations. The author’s archive page is tried using “?author=ID” query and incrementing the ID for each request until 404. If the response is a redirect, the blog is affected by TALSOFT-2011-0526 (http://seclists.org/fulldisclosure/2011/May/493) advisory. If no redirect is done, the plugin will try to fetch the username from title.
This plugin doesn’t have any user configured options.
For more information about this plugin and the associated tests, there’s always the source code to understand exactly what’s under the hood:
Plugin source code
Unittest source code
This plugin has no dependencies.