CVE-2025-1664: Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates <= 5.3.1 - Authenticated (Contributor+) Stored Cross-Site Scripting
First published: Sat Mar 08 2025(Updated: )
The Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Parallax slider in all versions up to, and including, 5.3.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, 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 |
|---|---|---|
| WPDeveloper Essential Blocks for Gutenberg | <=5.3.1 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-1664?
CVE-2025-1664 has a high severity level due to its potential for Stored Cross-Site Scripting attacks.
How do I fix CVE-2025-1664?
To fix CVE-2025-1664, update the Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates plugin to version 5.3.2 or later.
What is the impact of exploiting CVE-2025-1664?
Exploiting CVE-2025-1664 could allow attackers to execute malicious scripts in the context of the user’s session.
Which versions are affected by CVE-2025-1664?
CVE-2025-1664 affects all versions of the Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates plugin up to and including version 5.3.1.
Who is the vendor of CVE-2025-1664?
The vendor of CVE-2025-1664 is WPDeveloper, responsible for the Essential Blocks plugin.
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