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    CVE-2024-3565

    The Content Blocks (Custom Post Widget) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'content_block' shortcode in all versions up to, and including, 3.3.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

    Published:Jun 1, 2024
    Last Modified:Apr 8, 2026
    EPS:Jun 1, 2024
    EPSS Score:0.00361
    CVSS Score:6.4

    Affected Products

    Vendor
    Johan Van Der Wijk
    Product
    Content Blocks Custom Post Widget
    Vendor
    Vanderwijk
    Product
    Content Blocks

    Exploits

    No exploit reference

    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