Integrity Checker
The WordPress Integrity Checker checks your WordPress installation by detecting modified files, permissions issues and other common problems. trnk
The facts
- Rating
- 4.8★ from 6
- Active installs
- 200+
- Price
- Free
- Last updated
- 13 Aug 2026
- Added
- Jan 2017
- Requires WP
- 4.4
- Tested up to
- WP 6.7.7
- Downloads
- 13,199
Our analysis
AI-assistedIntegrity Checker is a WordPress plugin designed to scan your website for potential security issues. It verifies that all installed code matches the original versions from WordPress.org, helping you identify any unauthorized changes. The plugin also checks file permissions and common configuration problems to enhance security.
This tool is suitable for website administrators who want to ensure the integrity of their WordPress installations and protect against hacks and misconfigurations.
Best for: Website administrators looking to enhance their WordPress security.
What it does well
- ✓Verifies installed code against original versions
- ✓Identifies hacked files in core, plugins, and themes
- ✓Checks for file permission issues
- ✓Detects common configuration problems
Where it falls short
- •Limited information on additional features or user support
Verdict
Integrity Checker provides essential tools for monitoring the security of WordPress sites. It is a straightforward option for those concerned about the integrity of their installations.
From the developer
Erik Torsner's own description of Integrity Checker, lightly tidied.
Integrity-checker uses a mix of traditional and new techniques to scan your website for potential issues. First and foremost, it verifies that all installed code is identical to it’s original version. By comparing WordPress core, plugins and themes in your installation with the original versions available at wordpress.org, Integrity-checker can quickly determine if there are any changes you need to be aware of. Integrity-checker also lets you compare your local version to the original to help you determine if you’ve been hacked.
Additionally, Integrity-checker scans all installed files for permission issues. Ensuring correct permissions is vital for WordPress security, as with any PHP based web application.
Lastly, Integrity-checker will look through some of the basic WordPress configuration to look for common security problems like user enumeration, directory index weak credentials etc.
Features
- Helps you track down hacked WordPress files in core, plugins and themes
- Makes it easy to find issues with file permissions
- Detects common configuration problems
3rd party software
cron-expression copyright Michael Dowling, see license. Cron-expression is slightly adopted to use the Integrity Checker namespace to avoid potential conflicts.
php-diff copyright Chris Boulton under the BSD license. php-diff is slightly adopted to use the Integrity Checker namespace to avoid potential conflicts.
silexphp/Pimple copyright Fabien Potencier, see license. Pimple is slightly adopted to use the Integrity Checker namespace to avoid potential conflicts.
DataTables 1.10.13 copyright 2008-2016 SpryMedia Ltd. Licensed under the MIT license, see datatables.net/license