WordPress security changelog
MEDIUM CVE-2026-75961 Deferred

NEX-Forms – Ultimate Forms Plugin for WordPress: SQL injection bypasses form-report operator validation

The NEX-Forms – Ultimate Forms Plugin for WordPress plugin for WordPress is vulnerable to generic SQL Injection via the 'additional_params' parameter in all versions up to, and including, 9.3.0 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with custom-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database. The operator allowlist applied by get_table_records() when building its own WHERE fragment is not enforced on the same tainted additional_params array when it is forwarded to get_total_records(), leaving the SQL sink unprotected. The minimum named role or capability behind custom-level access is not disclosed. Validation in one query builder does not protect the separate total-records sink. Affected versions reported by the CNA: <= 9.3.0. No fixed release is confirmed for this CVE in this review.

CVE / CNA score 4.9 CVSS 3.1 · security@wordfence.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
NEX-Forms – Ultimate Forms Plugin for WordPress
Plugin slug
nex-forms-express-wp-form-builder
Affected
<= 9.3.0
Safe version
See mitigation notes
Published
Sep 18, 2026
Weakness
CWE-89 — Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

This CVE was published Sep 18, 2026 and is one of 36 known issues for this plugin.

What to do

Update, patch or deactivate.

The official changelog was checked against the currently listed 9.3.2 release, but no clear fix for this specific issue was confirmed. A newer release may resolve it; do not treat the version number or a generic security entry as proof. Official changelog: https://wordpress.org/plugins/nex-forms-express-wp-form-builder/#developers Validate the shared additional_params structure before either query builder uses it; allowlist operators and identifiers and bind all data values in get_total_records() as well as get_table_records(). Restrict report access until fixed.

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.

Source record

Technical description

The NEX-Forms – Ultimate Forms Plugin for WordPress plugin for WordPress is vulnerable to generic SQL Injection via the 'additional_params' parameter in all versions up to, and including, 9.3.0 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with custom-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database. The operator allowlist applied by get_table_records() when building its own WHERE fragment is not enforced on the same tainted additional_params array when it is forwarded to get_total_records(), leaving the SQL sink unprotected.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

References

Primary and upstream sources