CXS 2.81 false positive with Wordpress Plugin?

[shenzy]

Some sites with Wordpress and the plugin "Better WP Security" result in :
Known exploit = [Fingerprint Match] [Exploited .htaccess [P0184]]:

¿Is an exploit or a false positive?


.htacces contet:

# BEGIN Better WP Security
Options -Indexes

Order allow,deny
Allow from all
Deny from 81.114.75.174
<files .htaccess>
Order allow,deny
Deny from all
</files>

<files readme.html>
Order allow,deny
Deny from all
</files>

<files readme.txt>
Order allow,deny
Deny from all
</files>

<files install.php>
Order allow,deny
Deny from all
</files>

<files wp-config.php>
Order allow,deny
Deny from all
</files>

<IfModule mod_rewrite.c>
RewriteEngine On

RewriteRule ^wp-admin/includes/ - [F,L]
RewriteRule !^wp-includes/ - [S=3]
RewriteCond %{SCRIPT_FILENAME} !^(.*)wp-includes/ms-files.php
RewriteRule ^wp-includes/[^/]+\.php$ - [F,L]
RewriteRule ^wp-includes/js/tinymce/langs/.+\.php - [F,L]
RewriteRule ^wp-includes/theme-compat/ - [F,L]

RewriteCond %{REQUEST_METHOD} ^(TRACE|DELETE|TRACK) [NC]
RewriteRule ^(.*)$ - [F,L]

RewriteCond %{REQUEST_METHOD} POST
RewriteCond %{REQUEST_URI} ^(.*)wp-comments-post\.php*
RewriteCond %{HTTP_REFERER} !^(.*)ccespana.cl.*
RewriteCond %{HTTP_REFERER} !^http://jetpack\.wordpress\.com/jetpack-comment/ [OR]
RewriteCond %{HTTP_USER_AGENT} ^$
RewriteRule ^(.*)$ - [F,L]

RewriteCond %{QUERY_STRING} \.\.\/ [NC,OR]
RewriteCond %{QUERY_STRING} ^.*(bash|git|hg|log|svn|swp|cvs) [NC,OR]
RewriteCond %{QUERY_STRING} etc/passwd [NC,OR]
RewriteCond %{QUERY_STRING} boot\.ini [NC,OR]
RewriteCond %{QUERY_STRING} ftp\: [NC,OR]
RewriteCond %{QUERY_STRING} http\: [NC,OR]
RewriteCond %{QUERY_STRING} https\: [NC,OR]
RewriteCond %{QUERY_STRING} (\<|%3C).*script.*(\>|%3E) [NC,OR]
RewriteCond %{QUERY_STRING} mosConfig_[a-zA-Z_]{1,21}(=|%3D) [NC,OR]
RewriteCond %{QUERY_STRING} base64_encode.*\(.*\) [NC,OR]
RewriteCond %{QUERY_STRING} ^.*(\[|\]|\(|\)|<|>|ê|"|;|\?|\*|=$).* [NC,OR]
RewriteCond %{QUERY_STRING} ^.*("|'|<|>|&#x5C;|&#x7B;|&#x7C;).* [NC,OR]
RewriteCond %{QUERY_STRING} ^.*(%24&x).* [NC,OR]
RewriteCond %{QUERY_STRING} ^.*(%0|%A|%B|%C|%D|%E|%F|127\.0).* [NC,OR]
RewriteCond %{QUERY_STRING} ^.*(globals|encode|localhost|loopback).* [NC,OR]
RewriteCond %{QUERY_STRING} ^.*(request|select|concat|insert|union|declare).* [NC]
RewriteCond %{QUERY_STRING} !^loggedout=true
RewriteCond %{QUERY_STRING} !^action=rp
RewriteCond %{HTTP_COOKIE} !^.*wordpress_logged_in_.*$
RewriteCond %{HTTP_REFERER} !^http://maps\.googleapis\.com(.*)$
RewriteRule ^(.*)$ - [F,L]

</IfModule>
# END Better WP Security

[ForumAdmin]

If you run the following it will download the latest definitions and not detect that:

cxs -U