WordPress: Strip image metadata on upload to the media library using Imagick. Learn more https://silvanhagen.com/strip-image-meta-data-wordpress/

functions.php

<?php
add_filter( 'wp_handle_upload', 'yourprefix_strip_metadata_from_images_on_upload' );

function yourprefix_strip_metadata_from_images_on_upload( array $upload ): array {
    if ( ! in_array( $upload['type'], array( 'image/jpeg', 'image/png', 'image/gif' ), true ) ) {
        return $upload;
    }

    try {
        yourprefix_strip_metadata_from_image( $upload['file'] );
    } catch ( \ImagickException $e ) {
        // Do nothing.
    }

    return $upload;
}

function yourprefix_strip_metadata_from_image( string $file, ?string $output = null ) {
    $image = new \Imagick( $file );

    // Check if we have an ICC profile, so we can restore it later.
    $profile = null;
    try {
        $profile = $image->getImageProfile( 'icc' );
    } catch ( \ImagickException $exception ) {
        // Raises an exception if no profile is found.
    }

    // Strip all image metadata.
    $image->stripImage();

    // Restore the ICC profile if we have one.
    if ( ! empty( $profile ) ) {
        $image->setImageProfile( 'icc', $profile );
    }

    if ( empty( $output ) ) {
        $output = $file;
    }

    $image->writeImage( $output );
    $image->clear();
    $image->destroy();
}