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CVE-2026-16747

MEDIUM 6.5 CVSS 3.1
Published
August 12, 2026
Last modified
August 26, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-74
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Description

The Kirki WordPress plugin before 6.2.1 does not properly authorise its front-end form submission REST routes and passes attacker-controlled input through shortcode execution, allowing unauthenticated users to run any shortcode registered on the site, which on a default install leads to disclosure of the site administrator's email address and an arbitrary-recipient mail relay from the victim's domain.

Affected WordPress components

  • Kirki – Freeform Page Builder, Website Builder & Customizer Plugin · kirki
    Confirmed match Active
    Before 6.2.1
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown Kirki — Before 6.2.1

References

  • wpscan.com https://wpscan.com/vulnerability/4330c6e0-071e-49d6-b1ec-5c8633171bc4/
  • nvd.nist.gov Official NVD record