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    CVE-2026-1273

    The Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 5.0.8 via the `/ultp/v3/starter_dummy_post/` and `/ultp/v3/starter_import_content/` REST API endpoints. This makes it possible for authenticated attackers, with Administrator-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

    Published:Mar 4, 2026
    Last Modified:Apr 22, 2026
    EPS:Mar 4, 2026
    EPSS Score:0.00015
    CVSS Score:7.2

    Affected Products

    Vendor
    Wordpress
    Product
    Wordpress
    Vendor
    Wpxpo
    Product
    Post Grid Gutenberg Blocks For News, Magazines, Blog Websites – Postx

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-664 Server Side Request Forgery

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    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