CVE-2026-1947

HIGH7.5

NEX-Forms – Ultimate Forms Plugin for WordPress <= 9.1.9 - Missing Authorization to Unauthenticated Arbitrary Form Entry Modification via nf_set_entry_update_id

Published Mar 15, 2026

Modified Yesterday

Details

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.

References

WEB

https://plugins.trac.wordpress.org/changeset/3470888/nex-forms-express-wp-form-builder

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-1947

WEB

https://www.wordfence.com/threat-intel/vulnerabilities/id/b2a8c307-2430-4ea9-afe0-e5e758eabdd1?source=cve

CVSS Analysis

CVSS v3.1

7.5

Exploitability

Attack Vector