Vulnerability · Published Mar 15, 2026 · Assigned by Wordfence
CVE-2026-1947NEX-Forms – Ultimate Forms Plugin for WordPress <= 9.1.9 - Missing Authorization to Unauthenticated Arbitrary Form Entry Modification via nf_set_entry_update_id
High 7.5
In plain English
A high-severity authorization bypass via user-controlled key in NEX-Forms – Ultimate Forms Plugin for WordPress from webaways. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| webaways | NEX-Forms – Ultimate Forms Plugin for WordPress | 0 – through 9.1.9 |
Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N