What is CVE-2026-94504?
Ninja Forms 3.15.3 stores an anonymous non-RTE textarea value and renders it without safe HTML encoding in the legacy submission editor. An attacker can break out of the textarea with stored script. When an Administrator opens the attacker-known direct submission URL, the script runs in the WordPress admin origin.
Timeline
- 2026-09-22Published to the U.S. National Vulnerability Database (NVD)
- 2026-10-07First covered in a defend.network daily briefing
Affected product
See advisory
Remediation Steps
- Apply the vendor security update for WPC Product Bundles for WooCommerce (WordPress plugin) as a priority.
- Restrict network exposure of the affected service to trusted sources until patched.
- Review logs and detections for indicators of exploitation.
- Confirm fixed versions against the official vendor advisory before deploying.
References
- https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.3/includes/Database/Models/Submission.php#L205
- https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.3/includes/Fields/Textarea.php#L35
- https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.3/includes/Templates/admin-metabox-sub-fields.html.php#L23
- https://nvd.nist.gov/vuln/detail/CVE-2026-94504
Referenced in our briefings & reports
- Vulnerability Priority Report – Week 1 of October 2026 (October 5 – 11)
- WordPress, Atlassian, ASOS breached; AI-powered phishing escalates (2026-10-07)
Browse all tracked CVEs in the defend.network CVE database →
🤖 This CVE page is generated by defend.network from NVD, CISA KEV, EPSS, and our verified daily briefings. Severity and exploitation data come from official sources; always verify remediation steps against the official vendor advisory before acting in production.