CVE-2026-65048 Ninja Forms Unauthenticated Stored Cross-Site Scripting via Repeatable Fieldset Submission Index

Ninja Forms plugin for WordPress versions 3.10.4 through 3.14.9 contains an unauthenticated stored cross-site scripting vulnerability in the Repeatable Fieldset feature where parseSubmissionIndex accepts arbitrary strings as submission indexes without numeric validation, and adminformelement...

CVE-2026-65048

CVE-2026-65048 affects the Ninja Forms WordPress plugin (versions 3.10.4–3.14.9). The issue arises in the Repeatable Fieldset feature where parseSubmissionIndex() accepts arbitrary strings as submission indexes without numeric validation, and admin_form_element() interpolates the index directly i...