NEX-Forms – Ultimate Forms Plugin for WordPress <= 9.1.9 - Missing Authorization to Authenticated (Subscriber+) License Deactivation via deactivate_license

4.3
Missing Authorization
CVE CVE-2026-1948
CVSS 4.3 (Medium)
Publicly Published March 13, 2026
Last Updated March 14, 2026
Researcher Legion Hunter

Description

The NEX-Forms – Ultimate Forms Plugin for WordPress plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the deactivate_license() function in all versions up to, and including, 9.1.9. This makes it possible for authenticated attackers, with Subscriber-level access and above, to to deactivate the plugin license.

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Vulnerability Details for NEX-Forms – Ultimate Forms Plugin for WordPress

Software Type Plugin
Software Slug nex-forms-express-wp-form-builder (view on wordpress.org)
Patched? Yes
Remediation Update to version 9.1.10, or a newer patched version
Affected Version
  • <= 9.1.9
Patched Version
  • 9.1.10

Recent vulnerabilities in NEX-Forms – Ultimate Forms Plugin for WordPress

# Title CVE ID CVSS Researchers Date
1 NEX-Forms <= 9.2.4 - Authenticated (Admin+) SQL Injection via 'additional_params' Parameter CVE-2026-15602 4.9 Wordfence PRISM August 15, 2026
2 NEX-Forms <= 9.2.3 - Authenticated (Admin+) Arbitrary File Deletion via Path Traversal via 'location' Parameter CVE-2026-15450 8.1 Wordfence PRISM July 31, 2026
3 NEX-Forms <= 9.2.2 - Missing Authorization to Unauthenticated Arbitrary Form Entry Modification via nf_send_nf_email AJAX Action CVE-2026-9017 5.3 Michael Iden (Mickhat) July 10, 2026
4 NEX-Forms – Ultimate Forms Plugin for WordPress <= 9.2.2 - Unauthenticated Stored Cross-Site Scripting CVE-2026-57668 7.2 Nguyen Ba Khanh July 10, 2026
5 NEX-Forms <= 9.2.2 - Unauthenticated Stored Cross-Site Scripting via 'real_val__' Parameter CVE-2026-13040 7.2 Taichi Kashimura July 2, 2026
6 NEX-Forms <= 9.2.2 - Unauthenticated Stored Cross-Site Scripting via '_name[]' Array Parameter CVE-2026-12142 7.2 Anthony Cihan (Hann1bl3L3ct3r) June 30, 2026
7 NEX-Forms <= 9.2.2 - Missing Authorization to Unauthenticated Sensitive Information Disclosure via CSVExport Class CVE-2026-12404 5.3 valent1 June 26, 2026
8 NEX-Forms <= 9.2.2 - Unauthenticated Stored Cross-Site Scripting CVE-2026-10525 7.2 Sandiyo Christan June 26, 2026
9 NEX-Forms – Ultimate Forms Plugin for WordPress <= 9.1.12 - Authenticated (Administrator+) SQL Injection via 'table' Parameter CVE-2026-7046 4.9 Athul Jayaram May 14, 2026
10 NEX-Forms <= 9.1.11 - Unauthenticated Stored Cross-Site Scripting via POST Parameter Key Names CVE-2026-5063 7.2 Naoya Takahashi (nakko) May 2, 2026

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