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.
Advisories

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Fixes

Solution

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Workaround

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History

Wed, 11 Feb 2026 22:15:00 +0000

Type Values Removed Values Added
First Time appeared Nko
Nko custom Block Builder – Lazy Blocks
Wordpress
Wordpress wordpress
Vendors & Products Nko
Nko custom Block Builder – Lazy Blocks
Wordpress
Wordpress wordpress

Wed, 11 Feb 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 11 Feb 2026 08:30:00 +0000

Type Values Removed Values Added
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.
Title Custom Block Builder – Lazy Blocks <= 4.2.0 - Authenticated (Contributor+) Remote Code Execution
Weaknesses CWE-94
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-02-11T15:44:32.463Z

Reserved: 2026-01-28T19:28:12.274Z

Link: CVE-2026-1560

cve-icon Vulnrichment

Updated: 2026-02-11T15:40:34.510Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-11T09:15:51.353

Modified: 2026-02-11T15:27:26.370

Link: CVE-2026-1560

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-11T21:45:59Z

Weaknesses