CVE-2026-87870

Ninja Forms - Scheduled Exports <= 3.0.3 - Authenticated (Subscriber+) Stored Cross-Site Scripting via REST API Parameters

Published Sep 10, 2026 CVSS 3.1 · 6.4 Medium EPSS < 1% KEV · Not listed
Description
The Ninja Forms - Scheduled Exports plugin for WordPress is vulnerable to Stored Cross-Site Scripting via REST API Parameters (interval, format, emailTo) in all versions up to, and including, 3.0.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level privileges and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The REST endpoint is registered without a permission_callback and only validates a nonce without checking user capabilities.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Saturdaydrive
Saturdaydrive ninja Forms - Scheduled Exports
Wordpress
Wordpress wordpress
Vendors & Products Saturdaydrive
Saturdaydrive ninja Forms - Scheduled Exports
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Description The Ninja Forms - Scheduled Exports plugin for WordPress is vulnerable to Stored Cross-Site Scripting via REST API Parameters (interval, format, emailTo) in all versions up to, and including, 3.0.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level privileges and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The REST endpoint is registered without a permission_callback and only validates a nonce without checking user capabilities.
Title Ninja Forms - Scheduled Exports <= 3.0.3 - Authenticated (Subscriber+) Stored Cross-Site Scripting via REST API Parameters
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Wordfence
Published
Updated
Sep 11, 2026, 8:19 PM
Reserved
Sep 9, 2026, 1:32 PM
Status
Deferred
Published
Sep 10, 2026, 3:17 AM
Modified
Sep 11, 2026, 9:17 PM