CVE-2024-1854: Input Validation
First published: Wed Mar 13 2024(Updated: )
The Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the blockId parameter in all versions up to, and including, 4.5.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor access or higher, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Credit: security@wordfence.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Essential Blocks | <4.5.2 | |
| Essential Blocks for Gutenberg | <=4.5.1 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2024-1854?
CVE-2024-1854 is rated as a medium severity vulnerability.
How do I fix CVE-2024-1854?
To fix CVE-2024-1854, update the Essential Blocks plugin to version 4.5.2 or later.
What versions are affected by CVE-2024-1854?
CVE-2024-1854 affects all versions of the Essential Blocks plugin up to and including 4.5.1.
What kind of vulnerability is CVE-2024-1854?
CVE-2024-1854 is a stored Cross-Site Scripting (XSS) vulnerability.
Who is impacted by CVE-2024-1854?
Users of the Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates plugin are impacted by CVE-2024-1854.
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- vendor/essential blocks
- canonical/essential blocks for gutenberg