Found 80 unknown files in WP core after downgrading from 5.5 to 5.4.2

Hi,

I have done a bit of a stupid thing with the site:

1. Upgraded the site to 5.5 from 5.4.2
2. Some plugins did not work properly
3. Restored the site to 5.4.2, using a backup copy at my hosting provider
4. Run a Wordfence scan and found 80 files in wp-admin and wp-includes that Wordfence reports as unknown. The list of names of those files is given below.

My questions are:

1. Are those files the totally new files exclusive of WP 5.5?

2. I am running the site at 5.4.2 (normally as I see it), but there are still those files (probably 5.5 files) in the wp-admin and wp-includes folders. Should that be OK, or are there any potential conflicts or risks of some sort?

Thank you

The list of names of the files found in wp-admin and wp-includes and and reported as unknown by Wordfence:

Unknown file in WordPress core: wp-includes/sitemaps/class-wp-sitemaps-index.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/sitemaps/class-wp-sitemaps-provider.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/sitemaps/class-wp-sitemaps-registry.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/sitemaps/class-wp-sitemaps-renderer.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/sitemaps/class-wp-sitemaps-stylesheet.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/sitemaps/class-wp-sitemaps.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/sitemaps/providers/class-wp-sitemaps-posts.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/sitemaps/providers/class-wp-sitemaps-taxonomies.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/sitemaps/providers/class-wp-sitemaps-users.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/sitemaps.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/rest-api/endpoints/class-wp-rest-block-directory-controller.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/rest-api/endpoints/class-wp-rest-block-types-controller.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/rest-api/endpoints/class-wp-rest-plugins-controller.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/separator/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/social-links/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/spacer/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/subhead/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/table/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/tag-cloud/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/text-columns/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/verse/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/video/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/cache-compat.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/class-wp-block-list.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/class-wp-block-pattern-categories-registry.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/class-wp-block-patterns-registry.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/class-wp-block.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/block-patterns/heading-paragraph.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/block-patterns/large-header-button.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/block-patterns/large-header.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/block-patterns/quote.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/block-patterns/text-three-columns-buttons.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Filename: wp-includes/block-patterns/text-three-columns-buttons.php
File Type: Core
Details: This file is in a WordPress core location but is not distributed with this version of WordPress. This scan often includes files left over from a previous WordPress version, but it may also find files added by another plugin, files added by your host, or malicious files added by an attacker. Learn More
Unknown file in WordPress core: wp-includes/block-patterns/text-two-columns-with-images.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/block-patterns/text-two-columns.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/block-patterns/three-buttons.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/block-patterns/two-buttons.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/block-patterns/two-images.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/block-patterns.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/archives/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/audio/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/block/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/button/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/buttons/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/calendar/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/categories/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/classic/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/code/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/column/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/columns/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/file/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/gallery/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/group/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/heading/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/html/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/image/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/index.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/latest-comments/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/latest-posts/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/list/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/media-text/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/missing/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/more/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/nextpage/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/paragraph/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/preformatted/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/pullquote/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/quote/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/rss/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/blocks/search/block.json
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/PHPMailer/Exception.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/PHPMailer/PHPMailer.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/PHPMailer/SMTP.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/SimplePie/Cache/Memcached.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-includes/SimplePie/Cache/Redis.php
Type: File
Issue Found August 20, 2020 5:04 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-admin/css/colors/modern/colors-rtl.css
Type: File
Issue Found August 20, 2020 4:29 am
High
IGNORE
DETAILS
Filename: wp-admin/css/colors/modern/colors-rtl.css
File Type: Core
Details: This file is in a WordPress core location but is not distributed with this version of WordPress. This scan often includes files left over from a previous WordPress version, but it may also find files added by another plugin, files added by your host, or malicious files added by an attacker. Learn More
Unknown file in WordPress core: wp-admin/css/colors/modern/colors-rtl.min.css
Type: File
Issue Found August 20, 2020 4:29 am
High
IGNORE
DETAILS
Unknown file in WordPress core: wp-admin/css/colors/modern/colors.css
Type: File
Issue Found August 20, 2020 4:29 am
High
IGNORE
DETAILS
Filename: wp-admin/css/colors/modern/colors.css
File Type: Core
Details: This file is in a WordPress core location but is not distributed with this version of WordPress. This scan often includes files left over from a previous WordPress version, but it may also find files added by another plugin, files added by your host, or malicious files added by an attacker. Learn More
Unknown file in WordPress core: wp-admin/css/colors/modern/colors.min.css
Type: File
Issue Found August 20, 2020 4:29 am
High
IGNORE
DETAILS
Filename: wp-admin/css/colors/modern/colors.min.css
File Type: Core
Details: This file is in a WordPress core location but is not distributed with this version of WordPress. This scan often includes files left over from a previous WordPress version, but it may also find files added by another plugin, files added by your host, or malicious files added by an attacker. Learn More
Unknown file in WordPress core: wp-admin/css/colors/modern/colors.scss
Type: File
Issue Found August 20, 2020 4:29 am
High
IGNORE
DETAILS
Filename: wp-admin/css/colors/modern/colors.scss
File Type: Core
Details: This file is in a WordPress core location but is not distributed with this version of WordPress. This scan often includes files left over from a previous WordPress version, but it may also find files added by another plugin, files added by your host, or malicious files added by an attacker. Learn More
Modified plugin file: wp-content/plugins/democracy-poll/js/democracy.js
Type: File
Issue Found August 20, 2020 5:04 am
Medium
REPAIR
IGNORE
DETAILS
Modified plugin file: wp-content/plugins/democracy-poll/js/democracy.min.js
Type: File
Issue Found August 20, 2020 5:04 am
Medium
REPAIR
IGNORE
DETAILS
1 path was skipped for the malware scan due to scan settings
Type: Skipped Paths
Issue Found August 20, 2020 4:28 am
Low
IGNORE



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