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    CVE-2026-84219

    The Kirki WordPress plugin before 6.3.0 does not hold back every spelling of the HTML entities it decodes when rendering, allowing unauthenticated users to store JavaScript in a comment which then runs in the session of anyone viewing a page that displays it, including an administrator, and on every page of the site when its header or footer is built to show comments.

    Published:Sep 6, 2026
    Last Modified:Sep 6, 2026
    EPS:Sep 6, 2026
    EPSS Score:
    CVSS Score:7.5

    Affected Products

    Vendor
    Kirki
    Product
    Kirki
    Vendor
    Wordpress
    Product
    Wordpress

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-84221 (CVSS 6.8) — The Kirki WordPress plugin before 6.3.0 does not escape a user-supplied identifier before using it in a SQL q…
    CVE-2026-77754 (CVSS 5.3) — The Kirki WordPress plugin before 6.0.14 does not perform a capability check on some endpoints of one of its …
    CVE-2026-74992 (CVSS 6.8) — The Kirki WordPress plugin before 6.2.3 does not properly validate the files contained in archives uploaded b…
    CVE-2026-16747 (CVSS 6.5) — The Kirki WordPress plugin before 6.2.1 does not properly authorise its front-end form submission REST routes …
    CVE-2026-13147 (CVSS 9.1) — The Kirki WordPress plugin before 6.0.12 does not validate a user-supplied URL before requesting it server-si…

    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