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CVE-2026-15256

MEDIUM 4.8 CVSS 3.1
Published
August 6, 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:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Description

The Ninja Forms WordPress plugin before 3.14.10 does not prevent user-supplied query-string input, used to pre-populate a form field's default value, from being processed as a shortcode, allowing unauthenticated attackers to execute arbitrary shortcodes registered on the site when a form so configured is embedded on a public page.

Affected WordPress components

  • Ninja Forms – The Contact Form Builder That Grows With You Plugin · ninja-forms
    Confirmed match Active
    Before 3.14.10
    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 Ninja Forms — Before 3.14.10

References

  • wpscan.com https://wpscan.com/vulnerability/9c96f977-c105-4b45-a3cd-4751fb4aa5a1/
  • nvd.nist.gov Official NVD record