CVE-2026-15256 — Ninja Forms < 3.14.10 - Unauthenticated Arbitrary Shortcode Execution via Query-String Populated Field Default

CVE-2026-15256

Ninja Forms < 3.14.10 - Unauthenticated Arbitrary Shortcode Execution via Query-String Populated Field Default PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
Unknown / Ninja Forms	affected 0 before 3.14.10

CWE

No CWE identifiers supplied.

References

https://wpscan.com/vulnerability/9c96f977-c105-4b45-a3cd-4751fb4aa5a1/

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.