Ninja Forms - Excel Export <= 3.3.6 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'filter' Parameter
| CVE | CVE-2026-15161 |
|---|---|
| CVSS | 6.4 (Medium) |
| Publicly Published | July 16, 2026 |
| Last Updated | July 17, 2026 |
| Researcher |
Chu Thao Mai
|
Description
The Ninja Forms - Excel Export plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 3.3.6. This is due to the save_filter() AJAX handler storing the raw $_POST['filter'] array into a WordPress option via update_option() without any capability check, nonce verification, or input sanitization, combined with the get_filter_row() method on the admin Excel Export screen concatenating the stored filter values (field_key, condition, value) directly into HTML attributes without esc_attr(). This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Learn more about Cross-Site Scripting vulnerabilities and how to prevent them.
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Vulnerability Details for Ninja Forms - Excel Export
| Software Type | Plugin |
|---|---|
| Software Slug | ninja-forms-excel-export |
| Patched? | Yes |
| Remediation | Update to version 3.3.7, or a newer patched version |
| Affected Version |
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| Patched Version |
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Recent vulnerabilities in Ninja Forms - Excel Export
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