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Vulnerability record · CVE-2026-2268 · published 10 February 2026

CVE-2026-2268: Information exposure vulnerability

The Ninja Forms plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.14.0. This is due to the unsafe application of the `ninja_forms_merge_tags` filter to user-supplied input within repeater fields, which allows the resolution of `{post_meta:KEY}` merge tags without authorization checks. This makes it possible for unauthenticated attackers to extract arbitrary post metadata from any post on the site, including sensitive data such as WooCommerce billing emails, API keys, private tokens, and customer personal information via the `nf_ajax_submit` AJAX action.

7.5 CVSS 3.1 High EPSS 0.34% · top 74.7% CWE-200 · Information exposure Deferred
7.5CVSS 3.1 base score
0.34%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
17 Jun 2026Last modified by NVD

Description

The Ninja Forms plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.14.0. This is due to the unsafe application of the `ninja_forms_merge_tags` filter to user-supplied input within repeater fields, which allows the resolution of `{post_meta:KEY}` merge tags without authorization checks. This makes it possible for unauthenticated attackers to extract arbitrary post metadata from any post on the site, including sensitive data such as WooCommerce billing emails, API keys, private tokens, and customer personal information via the `nf_ajax_submit` AJAX action.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

LinkTags
https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.13.3/includes/AJAX/Controllers/Submission.php#L222
https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.13.3/includes/AJAX/Controllers/Submission.php#L706
https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.13.3/includes/MergeTags/WP.php#L48
https://plugins.trac.wordpress.org/changeset/3454719/ninja-forms/trunk/includes/AJAX/Controllers/Submission.php
https://www.wordfence.com/threat-intel/vulnerabilities/id/24902fab-44ea-44c9-bcf5-70960cfeb402?source=cve

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Source: NIST National Vulnerability Database (record CVE-2026-2268), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.