What is CVE-2021-39203?

CVE-2021-39203 is a vulnerability in WordPress that allows authenticated users without permission to view private post types/data to bypass restrictions in the block editor.

What is the severity of CVE-2021-39203?

The severity of CVE-2021-39203 is medium with a CVSS score of 6.5.

How can I fix CVE-2021-39203 vulnerability in WordPress?

To fix the CVE-2021-39203 vulnerability in WordPress, consider upgrading to a version that includes the necessary security patches or follow the recommendations provided by WordPress.

Where can I find more information about CVE-2021-39203?

More information about CVE-2021-39203 can be found in the following references: - [GitHub Security Advisory](https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-qxvw-qxm9-qvg6) - [HackerOne Report](https://hackerone.com/reports/1225282)

Vulnerability/
CVE-2021-39203

medium

6.8

CWE

200

9/9/2021

4/8/2024

CVE-2021-39203: Private data disclosure/privilege escalation through the block editor in Wordpress

First published: Thu Sep 09 2021(Updated: )

WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. In affected versions authenticated users who don't have permission to view private post types/data can bypass restrictions in the block editor under certain conditions. This affected WordPress 5.8 beta during the testing period. It's fixed in the final 5.8 release.

Credit: security-advisories@github.com

Affected Software	Affected Version	How to fix
WordPress WordPress	=5.8-beta1

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Frequently Asked Questions

What is CVE-2021-39203?
CVE-2021-39203 is a vulnerability in WordPress that allows authenticated users without permission to view private post types/data to bypass restrictions in the block editor.
How does CVE-2021-39203 affect WordPress?
In affected versions, authenticated users who don't have permission to view private post types/data can bypass restrictions in the block editor under certain conditions.
What is the severity of CVE-2021-39203?
The severity of CVE-2021-39203 is medium with a CVSS score of 6.5.
How can I fix CVE-2021-39203 vulnerability in WordPress?
To fix the CVE-2021-39203 vulnerability in WordPress, consider upgrading to a version that includes the necessary security patches or follow the recommendations provided by WordPress.
Where can I find more information about CVE-2021-39203?
More information about CVE-2021-39203 can be found in the following references: - [GitHub Security Advisory](https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-qxvw-qxm9-qvg6) - [HackerOne Report](https://hackerone.com/reports/1225282)

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agent/last-modified-date
agent/title
agent/severity
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agent/first-publish-date
agent/event
vendor/wordpress
canonical/wordpress wordpress
version/wordpress wordpress/5.8-beta1

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