Wordpress Wordpress 5.0.1 Security Release

eva2000 · Dec 13, 2018

Wordpress 5.0.1 security release is out already WordPress 5.0.1 Security Release

WordPress 5.0.1 is now available. This is a security release for all versions since WordPress 3.7. We strongly encourage you to update your sites immediately.

Plugin authors are encouraged to read the 5.0.1 developer notes for information on backwards-compatibility.

WordPress versions 5.0 and earlier are affected by the following bugs, which are fixed in version 5.0.1. Updated versions of WordPress 4.9 and older releases are also available, for users who have not yet updated to 5.0.

Karim El Ouerghemmi discovered that authors could alter meta data to delete files that they weren’t authorized to.

Simon Scannell of RIPS Technologies discovered that authors could create posts of unauthorized post types with specially crafted input.

Sam Thomas discovered that contributors could craft meta data in a way that resulted in PHP object injection.

Tim Coen discovered that contributors could edit new comments from higher-privileged users, potentially leading to a cross-site scripting vulnerability.

Tim Coen also discovered that specially crafted URL inputs could lead to a cross-site scripting vulnerability in some circumstances. WordPress itself was not affected, but plugins could be in some situations.

Team Yoast discovered that the user activation screen could be indexed by search engines in some uncommon configurations, leading to exposure of email addresses, and in some rare cases, default generated passwords.

Tim Coen and Slavco discovered that authors on Apache-hosted sites could upload specifically crafted files that bypass MIME verification, leading to a cross-site scripting vulnerability.

Thank you to all of the reporters for privately disclosing the vulnerabilities, which gave us time to fix them before WordPress sites could be attacked.

Download WordPress 5.0.1, or venture over to Dashboard → Updates and click Update Now. Sites that support automatic background updates are already beginning to update automatically.
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eva2000 · Dec 13, 2018

and Backwards Compatibility Breaks in 5.0.1

Backwards Compatibility Breaks in 5.0.1

5.0.1 was just released to fix several security bugs. The Security team tried very hard to mitigate all of the vulnerabilities without any back-compat breaks, but unfortunately there were a few cases where that was not possible.
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eva2000 · Dec 13, 2018

FYI, for Centmin Mod Wordpress folks who installed wordpress via centmin.sh menu option 22, you have access to wp-cli command line. Seems Wordpress admin only gives option to update from 4.9.8 to 5.0.1. But they also released Wordpress 4.9.9 with these security fixes and you can update from 4.9.8 to 4.9.9 via wp-cli command line via these commands run in your wordpress install directory i.e. /home/nginx/domains/yourdomain.com/public for yourdomain.com installed wordpress blog
Code (Text):
cd /home/nginx/domains/yourdomain.com/public
/usr/bin/wp core update --minor --version=4.9.9 --allow-root
/usr/bin/wp core update-db --allow-root
chown -R nginx:nginx /home/nginx/domains/yourdomain.com/public
nprestart
example
Code (Text):
/usr/bin/wp core update --minor --version=4.9.9 --allow-root
Updating to version 4.9.9 (en_US)...
Downloading update from https://wordpress.org/wordpress-4.9.9.zip...
Unpacking the update...
Success: WordPress updated successfully.
Wordpress 4.9.9 download page for manual updates at Releases | WordPress.org

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Wordpress Wordpress 5.0.1 Security Release

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