Description

The Custom Block Builder – Lazy Blocks plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 4.2.0 via multiple functions in the 'LazyBlocks_Blocks' class. This makes it possible for authenticated attackers, with Contributor-level access and above, to execute code on the server.

INFO

Published Date :

2026-02-11T08:26:27.556Z

Last Modified :

2026-04-08T17:16:14.897Z

Source :

Wordfence
AFFECTED PRODUCTS

The following products are affected by CVE-2026-1560 vulnerability.

Vendors Products
Nko
  • Custom Block Builder – Lazy Blocks
Wordpress
  • Wordpress
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-1560.

URL Resource
https://plugins.trac.wordpress.org/browser/lazy-blocks/trunk/classes/class-blocks.php#L1637 cve-icon cve-icon
https://plugins.trac.wordpress.org/browser/lazy-blocks/trunk/classes/class-blocks.php#L766 cve-icon cve-icon
https://plugins.trac.wordpress.org/browser/lazy-blocks/trunk/classes/class-rest.php#L88 cve-icon cve-icon
https://plugins.trac.wordpress.org/changeset/3454012/ cve-icon cve-icon
https://www.wordfence.com/threat-intel/vulnerabilities/id/b1853c88-277b-4955-b042-aeed1cffb49b?source=cve cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact