Ultimate Security Checker

Ultimate Security Checker was created to help webmasters scan a WordPress installation and get a review of the site's overall security level.

Once a scan has been finished, the admin is presented with a report where he can view vulnerable files.

The plugin also provides a grade for the site's overall security level, which will help non-technical users understand how vulnerable their site really is.

Installation:

Unpack and upload it to the /wp-content/plugins/ directory.
Activate the plugin through the 'Plugins' menu in WordPress.

Features:

• Easy installation
• Easy scanning
• Calculates of a letter grade protection status
• Shows a list of vulnerable files
• Re-scan reminders
• Overall settings page

What is new in this release:

• Updated for WordPress 4.0
• UX improvements

What is new in version 2.7.8:

• Updated hashes.

What is new in version 2.7.7:

• Changed some plugin text.

What is new in version 2.7.4:

• Added hashes for WordPress 3.3.1.
• Show status in admin bar only for users with privileges.

What is new in version 2.7.3:

• Minor fixes.
• Added hashes for WordPress 3.3.

What is new in version 2.7.0:

• Separated file check in different tab
• FIX main test don't go out of memory or time limit
• Added settings page(notifications settings can be changed and facebook like block can be disabled)

What is new in version 2.6.5:

• Bug fixes according to suggests in forum.
• Added core files test based on MD5 hash check.
• Added search of suspicious code patterns in WP core, themes and plugin files.
• Added search of suspicious code patterns in posts and comments.
• Added report pages for new tests.

What is new in version 2.5.5:

• Fixes in FAQ section according to suggests in forum.
• Updated blocbadqueries plugin contents in FAQ.
• Check for /wp-content/ folder now passes in 755 mode too(was 777 before).

What is new in version 2.1:

• Added files and folders permissions check.

Requirements:

• WordPress 2.8 or higher