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    CVE-2026-3228

    The NextScripts: Social Networks Auto-Poster plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `[nxs_fbembed]` shortcode in all versions up to, and including, 4.4.6. This is due to insufficient input sanitization and output escaping on the `snapFB` post meta value. 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:Mar 10, 2026
    Last Modified:Apr 22, 2026
    EPS:Mar 10, 2026
    EPSS Score:0.00054
    CVSS Score:6.4

    Affected Products

    Vendor
    Nextscripts
    Product
    Social Networks Auto Poster
    Vendor
    Wordpress
    Product
    Wordpress

    Exploits

    https://github.com/NULL200OK/CVE-2026-3228

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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