The NEX-Forms – Ultimate Forms Plugin for WordPress plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 9.1.9 via the submit_nex_form() function due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to to overwrite arbitrary form entries via the 'nf_set_entry_update_id' parameter.
CVE-2026-1947 is a high severity with CVSS 7.5 Authorization Bypass issue affecting the Plugin NEX-Forms – Ultimate Forms Plugin for WordPress. It affects Versions up to 9.1.9 and is fixed in 9.1.10.
CVE-2026-1947 is tracked for the Plugin NEX-Forms – Ultimate Forms Plugin for WordPress as high severity with CVSS 7.5. The affected range is Versions up to 9.1.9. Update NEX-Forms – Ultimate Forms Plugin for WordPress to 9.1.10 or newer where that version is compatible with the site.
| Software Type | Plugin |
|---|---|
| Software Slug |
nex-forms-express-wp-form-builder
View on wordpress.org
|
| CVE | CVE-2026-1947 |
| Patched Versions |
9.1.10
|
| Affected Versions |
Versions up to 9.1.9
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
NEX-Forms – Ultimate Form Builder < 4.6.1 - SQL Injection
NEX-Forms – Ultimate Form Builder <= 8.4.2 - Cross-Site Request Forgery to Cross-Site Scripting
NEX-Forms <= 9.1.7 - Unauthenticated Stored Cross-Site Scripting
NEX-Forms <= 8.3.3 - Authenticated (Administrator+) SQL Injection
NEX-Forms <= 7.9.6 - Authenticated (Administrator+) SQL Injection
NEX-Forms – Ultimate Form Builder – Contact forms and much more <= 8.9.1 - Authenticated (Custom) Stored Cross-Site Scripting
NEX-Forms – Ultimate Form Builder <= 8.5.10 - Authenticated (Contributor+) Stored Cross-Site Scripting
NEX-Forms – Ultimate Form Builder <= 8.5.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via shortcode
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