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    CVE-2026-1560

    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.

    Published:Feb 11, 2026
    Last Modified:Apr 15, 2026
    EPS:Feb 11, 2026
    EPSS Score:0.00129
    CVSS Score:8.8

    Affected Products

    Vendor
    Nko
    Product
    Custom Block Builder – Lazy Blocks
    Vendor
    Wordpress
    Product
    Wordpress

    Exploits

    https://github.com/Z3YR0xX/CVE-2026-1560-Authenticated-Remote-Code-Execution-in-Lazy-Blocks-4.2.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High