Verifies the integrity of your WordPress core files with official checksums. Displays modified/missing files.
As of April 2026, Core Checksum Verifier is a WordPress checksum plugin with 10 active installations and a 0/5 rating0. It has been downloaded 302 times in total. Requires WordPress 5.0+ and PHP 7.4+. Available on WordPress.org since 2025. Top alternative: Integrity Checker.
Checks the current WordPress installation for file tampering using the official WordPress.org checksum API. Features:
This plugin uses the official WordPress Checksums API to compare your WordPress core files against known-good hashes.
No user data is transmitted. Only your site’s WordPress version and locale are sent to the API endpoint at https://api.wordpress.org/core/checksums/.
| WordPress | 5.0+ requiredTested up to 6.8.5 |
| PHP | 7.4+ required |
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.