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CVE Vulnerability Details :
CVE-2026-1560
PUBLISHED
More InfoOfficial Page
Assigner-Wordfence
Assigner Org ID-b15e7b5b-3da4-40ae-a43c-f7aa60e62599
View Known Exploited Vulnerability (KEV) details
Published At-11 Feb, 2026 | 08:26
Updated At-11 Feb, 2026 | 15:44
Rejected At-
▼CVE Numbering Authority (CNA)
Custom Block Builder – Lazy Blocks <= 4.2.0 - Authenticated (Contributor+) Remote Code Execution

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.

Affected Products
Vendor
nko
Product
Custom Block Builder – Lazy Blocks
Default Status
unaffected
Versions
Affected
  • From * through 4.2.0 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-94CWE-94 Improper Control of Generation of Code ('Code Injection')
Type: CWE
CWE ID: CWE-94
Description: CWE-94 Improper Control of Generation of Code ('Code Injection')
Metrics
VersionBase scoreBase severityVector
3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
finder
Youssef Elouaer
Timeline
EventDate
Vendor Notified2026-01-29 00:40:11
Disclosed2026-02-10 00:00:00
Event: Vendor Notified
Date: 2026-01-29 00:40:11
Event: Disclosed
Date: 2026-02-10 00:00:00
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.wordfence.com/threat-intel/vulnerabilities/id/b1853c88-277b-4955-b042-aeed1cffb49b?source=cve
N/A
https://plugins.trac.wordpress.org/browser/lazy-blocks/trunk/classes/class-rest.php#L88
N/A
https://plugins.trac.wordpress.org/browser/lazy-blocks/trunk/classes/class-blocks.php#L1637
N/A
https://plugins.trac.wordpress.org/browser/lazy-blocks/trunk/classes/class-blocks.php#L766
N/A
https://plugins.trac.wordpress.org/changeset/3454012/
N/A
Hyperlink: https://www.wordfence.com/threat-intel/vulnerabilities/id/b1853c88-277b-4955-b042-aeed1cffb49b?source=cve
Resource: N/A
Hyperlink: https://plugins.trac.wordpress.org/browser/lazy-blocks/trunk/classes/class-rest.php#L88
Resource: N/A
Hyperlink: https://plugins.trac.wordpress.org/browser/lazy-blocks/trunk/classes/class-blocks.php#L1637
Resource: N/A
Hyperlink: https://plugins.trac.wordpress.org/browser/lazy-blocks/trunk/classes/class-blocks.php#L766
Resource: N/A
Hyperlink: https://plugins.trac.wordpress.org/changeset/3454012/
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found