NEX-Forms – Ultimate Forms: A security weakness
NEX-Forms – Ultimate Forms is affected by a security weakness. The vulnerable path is reachable without authentication. The resulting impact depends on how the affected component exposes the vulnerable operation.
- Component
- NEX-Forms – Ultimate Forms
- Plugin slug
nex-forms-express-wp-form-builder- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Jan 31, 2026
- Weakness
- CWE-862 — Missing Authorization
This CVE was published Jan 31, 2026 and is one of 33 known issues for this plugin.
Update, patch or deactivate.
Update NEX-Forms – Ultimate Forms to a release outside the affected range, or disable and remove it until a fixed version is available.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
The NEX-Forms – Ultimate Forms Plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the NF5_Export_Forms class constructor in all versions up to, and including, 9.1.8. This makes it possible for unauthenticated attackers to export form configurations, that may include sensitive data, such as email addresses, PayPal API credentials, and third-party integration keys by enumerating the nex_forms_Id parameter.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N