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Copy edits for WP 6.4.3 release note entry #8857

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Feb 2, 2024
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Copy edits for WP 6.4.3 release note entry #8857

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05df86d
Update 2024-01-31-wordpress-6-4-3.md
IngridKwok Feb 2, 2024
414e7f3
Crosslink to bug fixes like we did in the 6.4.2 entry
rachelwhitton Feb 2, 2024
da750b2
Assert action required and urgency
rachelwhitton Feb 2, 2024
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10 changes: 5 additions & 5 deletions source/releasenotes/2024-01-31-wordpress-6-4-3.md
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---
title: WordPress 6.4.3 Security Updates
title: WordPress 6.4.3 security updates
published_date: "2024-01-31"
categories: [wordpress, security]
categories: [wordpress, security, action-required]
---

The latest version of WordPress, [6.4.3](https://wordpress.org/news/2024/01/wordpress-6-4-3-maintenance-and-security-release/), became available on Pantheon as of January 30, 2024.

<h3>Highlights</h3>

* **Security updates:** Addressed two security vulnerabilities, including a PHP file upload bypass (limited to administrators), and a object injection mechanism that could be used to exploit an existing Remote Code Execution (RCE) vulnerability. For a detailed analysis of the two security patches, see [this article from Patchstack](https://patchstack.com/articles/wordpress-6-4-3-security-release/).
* 5 bug fixes in Core
* 16 bug fixes in the Block Editor
* **Security updates:** Addressed two security vulnerabilities, including a PHP file upload bypass (limited to administrators), and a object injection mechanism that could be used to exploit an existing Remote Code Execution (RCE) vulnerability. Since this release fixes security vulnerabilities, users are urged to upgrade their sites immediately. For a detailed analysis of the two security patches, see [this article from Patchstack](https://patchstack.com/articles/wordpress-6-4-3-security-release/).
* [5 bug fixes in Core](https://core.trac.wordpress.org/query?status=closed&component=!Bundled+Theme&id=!59828&milestone=6.4.3&group=status&col=id&col=summary&col=component&col=owner&col=type&col=priority&col=version&col=keywords&order=priority)
* [16 bug fixes in the Block Editor](https://github.com/WordPress/wordpress-develop/pull/5698#issuecomment-1909302298)

Upgrade to WordPress 6.4.3 right from your Pantheon dashboard or Terminus for added security.
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