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    CVE-2026-6415

    The Advanced Custom Fields: Font Awesome plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to and including 5.0.2. This is due to insufficient input validation of JSON field values and unsafe client-side HTML construction in the update_preview() JavaScript function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

    Published:May 15, 2026
    Last Modified:May 15, 2026
    EPS:May 15, 2026
    EPSS Score:
    CVSS Score:6.4

    Affected Products

    Vendor
    Justinkruit
    Product
    Advanced Custom Fields:font Awesome Field
    Vendor
    Wordpress
    Product
    Wordpress

    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