ByteOS Network

NVD Vulnerability Details :

CVE-2026-1560

Awaiting Analysis

Source-security@wordfence.com

Published At-11 Feb, 2026 | 09:15

Updated At-11 Feb, 2026 | 15:27

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.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Primary	3.1	8.8	HIGH	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Type: Primary

Version: 3.1

Base score: 8.8

Base severity: HIGH

Vector:

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE ID	Type	Source
CWE-94	Primary	security@wordfence.com

CWE ID: CWE-94

Type: Primary

Source: security@wordfence.com

References

Hyperlink	Source	Resource
https://plugins.trac.wordpress.org/browser/lazy-blocks/trunk/classes/class-blocks.php#L1637	security@wordfence.com	N/A
https://plugins.trac.wordpress.org/browser/lazy-blocks/trunk/classes/class-blocks.php#L766	security@wordfence.com	N/A
https://plugins.trac.wordpress.org/browser/lazy-blocks/trunk/classes/class-rest.php#L88	security@wordfence.com	N/A
https://plugins.trac.wordpress.org/changeset/3454012/	security@wordfence.com	N/A
https://www.wordfence.com/threat-intel/vulnerabilities/id/b1853c88-277b-4955-b042-aeed1cffb49b?source=cve	security@wordfence.com	N/A