Insecure Direct Object Reference in NEX-Forms – Ultimate Forms Plugin for WordPress
CVE-2026-1947

7.5HIGH

Key Information:

Vendor

WordPress
Status
Nex-forms – Ultimate Forms Plugin For WordPress
Vendor
CVE Published:
15 March 2026

What is CVE-2026-1947?

The NEX-Forms – Ultimate Forms Plugin for WordPress has a vulnerability that allows unauthenticated attackers to exploit the 'submit_nex_form()' function. This arises due to inadequate validation on a user-controlled key, enabling attackers to modify form entries through the 'nf_set_entry_update_id' parameter. Such weakness can lead to unauthorized changes to user-submitted data, potentially compromising the integrity of form submissions.

Affected Version(s)

NEX-Forms – Ultimate Forms Plugin for WordPress 0 <= 9.1.9

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset/3470888/nex-...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Youssef Elouaer
.